diff --git a/COPYING b/COPYING
index a590b557c..af11a8108 100644
--- a/COPYING
+++ b/COPYING
@@ -1,4 +1,4 @@
-Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/Sources/Shared/FileManager+Extension.swift b/Sources/Shared/FileManager+Extension.swift
index a865b8167..48fa33f57 100644
--- a/Sources/Shared/FileManager+Extension.swift
+++ b/Sources/Shared/FileManager+Extension.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 import os.log
diff --git a/Sources/Shared/Keychain.swift b/Sources/Shared/Keychain.swift
index fb00062f4..2e0e7f01e 100644
--- a/Sources/Shared/Keychain.swift
+++ b/Sources/Shared/Keychain.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 import Security
diff --git a/Sources/Shared/Logging/Logger.swift b/Sources/Shared/Logging/Logger.swift
index 089fd109d..f3ee2b721 100644
--- a/Sources/Shared/Logging/Logger.swift
+++ b/Sources/Shared/Logging/Logger.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 import os.log
diff --git a/Sources/Shared/Logging/ringlogger.c b/Sources/Shared/Logging/ringlogger.c
index 0c16cd625..9bb0d13bb 100644
--- a/Sources/Shared/Logging/ringlogger.c
+++ b/Sources/Shared/Logging/ringlogger.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: MIT
  *
- * Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+ * Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
  */
 
 #include <string.h>
diff --git a/Sources/Shared/Logging/ringlogger.h b/Sources/Shared/Logging/ringlogger.h
index 4211e9f12..0e28c9359 100644
--- a/Sources/Shared/Logging/ringlogger.h
+++ b/Sources/Shared/Logging/ringlogger.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: MIT
  *
- * Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+ * Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
  */
 
 #ifndef RINGLOGGER_H
diff --git a/Sources/Shared/Model/NETunnelProviderProtocol+Extension.swift b/Sources/Shared/Model/NETunnelProviderProtocol+Extension.swift
index b6772f87a..0a303f4a2 100644
--- a/Sources/Shared/Model/NETunnelProviderProtocol+Extension.swift
+++ b/Sources/Shared/Model/NETunnelProviderProtocol+Extension.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import NetworkExtension
 
diff --git a/Sources/Shared/Model/String+ArrayConversion.swift b/Sources/Shared/Model/String+ArrayConversion.swift
index adb959f13..97984f82e 100644
--- a/Sources/Shared/Model/String+ArrayConversion.swift
+++ b/Sources/Shared/Model/String+ArrayConversion.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/Shared/Model/TunnelConfiguration+WgQuickConfig.swift b/Sources/Shared/Model/TunnelConfiguration+WgQuickConfig.swift
index 5d5216cb5..86af010c6 100644
--- a/Sources/Shared/Model/TunnelConfiguration+WgQuickConfig.swift
+++ b/Sources/Shared/Model/TunnelConfiguration+WgQuickConfig.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/Shared/NotificationToken.swift b/Sources/Shared/NotificationToken.swift
index 9eb94ef54..78d36baf0 100644
--- a/Sources/Shared/NotificationToken.swift
+++ b/Sources/Shared/NotificationToken.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardApp/Base.lproj/InfoPlist.strings b/Sources/WireGuardApp/Base.lproj/InfoPlist.strings
index 2a7c6d7a8..5dd93ac6d 100644
--- a/Sources/WireGuardApp/Base.lproj/InfoPlist.strings
+++ b/Sources/WireGuardApp/Base.lproj/InfoPlist.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 // iOS permission prompts
 
diff --git a/Sources/WireGuardApp/Base.lproj/Localizable.strings b/Sources/WireGuardApp/Base.lproj/Localizable.strings
index 40023ecb4..f181953f3 100644
--- a/Sources/WireGuardApp/Base.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/Base.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 // Generic alert action names
 
diff --git a/Sources/WireGuardApp/LocalizationHelper.swift b/Sources/WireGuardApp/LocalizationHelper.swift
index 0f22acbe1..fcf13a9a2 100644
--- a/Sources/WireGuardApp/LocalizationHelper.swift
+++ b/Sources/WireGuardApp/LocalizationHelper.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardApp/Tunnel/ActivateOnDemandOption.swift b/Sources/WireGuardApp/Tunnel/ActivateOnDemandOption.swift
index 9697ce66c..fb9d21825 100644
--- a/Sources/WireGuardApp/Tunnel/ActivateOnDemandOption.swift
+++ b/Sources/WireGuardApp/Tunnel/ActivateOnDemandOption.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import NetworkExtension
 
diff --git a/Sources/WireGuardApp/Tunnel/MockTunnels.swift b/Sources/WireGuardApp/Tunnel/MockTunnels.swift
index 15fe1c2f1..1a6e2ba32 100644
--- a/Sources/WireGuardApp/Tunnel/MockTunnels.swift
+++ b/Sources/WireGuardApp/Tunnel/MockTunnels.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import NetworkExtension
 
diff --git a/Sources/WireGuardApp/Tunnel/TunnelConfiguration+UapiConfig.swift b/Sources/WireGuardApp/Tunnel/TunnelConfiguration+UapiConfig.swift
index cdc81cee4..ac45c81cd 100644
--- a/Sources/WireGuardApp/Tunnel/TunnelConfiguration+UapiConfig.swift
+++ b/Sources/WireGuardApp/Tunnel/TunnelConfiguration+UapiConfig.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardApp/Tunnel/TunnelErrors.swift b/Sources/WireGuardApp/Tunnel/TunnelErrors.swift
index 7031646eb..854e1897a 100644
--- a/Sources/WireGuardApp/Tunnel/TunnelErrors.swift
+++ b/Sources/WireGuardApp/Tunnel/TunnelErrors.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import NetworkExtension
 
diff --git a/Sources/WireGuardApp/Tunnel/TunnelStatus.swift b/Sources/WireGuardApp/Tunnel/TunnelStatus.swift
index 3d4a408ba..581b8f8fc 100644
--- a/Sources/WireGuardApp/Tunnel/TunnelStatus.swift
+++ b/Sources/WireGuardApp/Tunnel/TunnelStatus.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 import NetworkExtension
diff --git a/Sources/WireGuardApp/Tunnel/TunnelsManager.swift b/Sources/WireGuardApp/Tunnel/TunnelsManager.swift
index 7751e5457..c277f6d68 100644
--- a/Sources/WireGuardApp/Tunnel/TunnelsManager.swift
+++ b/Sources/WireGuardApp/Tunnel/TunnelsManager.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 import NetworkExtension
diff --git a/Sources/WireGuardApp/UI/ActivateOnDemandViewModel.swift b/Sources/WireGuardApp/UI/ActivateOnDemandViewModel.swift
index 7ddb215ea..b075d5541 100644
--- a/Sources/WireGuardApp/UI/ActivateOnDemandViewModel.swift
+++ b/Sources/WireGuardApp/UI/ActivateOnDemandViewModel.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardApp/UI/ErrorPresenterProtocol.swift b/Sources/WireGuardApp/UI/ErrorPresenterProtocol.swift
index aed2149c3..4368e7d6c 100644
--- a/Sources/WireGuardApp/UI/ErrorPresenterProtocol.swift
+++ b/Sources/WireGuardApp/UI/ErrorPresenterProtocol.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 protocol ErrorPresenterProtocol {
     static func showErrorAlert(title: String, message: String, from sourceVC: AnyObject?, onPresented: (() -> Void)?, onDismissal: (() -> Void)?)
diff --git a/Sources/WireGuardApp/UI/LogViewHelper.swift b/Sources/WireGuardApp/UI/LogViewHelper.swift
index 0b97b8fba..eb5c9da2c 100644
--- a/Sources/WireGuardApp/UI/LogViewHelper.swift
+++ b/Sources/WireGuardApp/UI/LogViewHelper.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardApp/UI/PrivateDataConfirmation.swift b/Sources/WireGuardApp/UI/PrivateDataConfirmation.swift
index 4b134a344..dd869b501 100644
--- a/Sources/WireGuardApp/UI/PrivateDataConfirmation.swift
+++ b/Sources/WireGuardApp/UI/PrivateDataConfirmation.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 import LocalAuthentication
diff --git a/Sources/WireGuardApp/UI/TunnelImporter.swift b/Sources/WireGuardApp/UI/TunnelImporter.swift
index 469158280..65349bcb2 100644
--- a/Sources/WireGuardApp/UI/TunnelImporter.swift
+++ b/Sources/WireGuardApp/UI/TunnelImporter.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardApp/UI/TunnelViewModel.swift b/Sources/WireGuardApp/UI/TunnelViewModel.swift
index b65c8ccfd..195c47aec 100644
--- a/Sources/WireGuardApp/UI/TunnelViewModel.swift
+++ b/Sources/WireGuardApp/UI/TunnelViewModel.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardApp/UI/iOS/AppDelegate.swift b/Sources/WireGuardApp/UI/iOS/AppDelegate.swift
index 4ab3b303f..fbb09c7ee 100644
--- a/Sources/WireGuardApp/UI/iOS/AppDelegate.swift
+++ b/Sources/WireGuardApp/UI/iOS/AppDelegate.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 import os.log
diff --git a/Sources/WireGuardApp/UI/iOS/ConfirmationAlertPresenter.swift b/Sources/WireGuardApp/UI/iOS/ConfirmationAlertPresenter.swift
index 824a0a52c..add648b09 100644
--- a/Sources/WireGuardApp/UI/iOS/ConfirmationAlertPresenter.swift
+++ b/Sources/WireGuardApp/UI/iOS/ConfirmationAlertPresenter.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/ErrorPresenter.swift b/Sources/WireGuardApp/UI/iOS/ErrorPresenter.swift
index 5dd505beb..6961ac129 100644
--- a/Sources/WireGuardApp/UI/iOS/ErrorPresenter.swift
+++ b/Sources/WireGuardApp/UI/iOS/ErrorPresenter.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 import os.log
diff --git a/Sources/WireGuardApp/UI/iOS/QuickActionItem.swift b/Sources/WireGuardApp/UI/iOS/QuickActionItem.swift
index f41d8a0d9..587e31f38 100644
--- a/Sources/WireGuardApp/UI/iOS/QuickActionItem.swift
+++ b/Sources/WireGuardApp/UI/iOS/QuickActionItem.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/RecentTunnelsTracker.swift b/Sources/WireGuardApp/UI/iOS/RecentTunnelsTracker.swift
index ddc5ca946..f9bf81349 100644
--- a/Sources/WireGuardApp/UI/iOS/RecentTunnelsTracker.swift
+++ b/Sources/WireGuardApp/UI/iOS/RecentTunnelsTracker.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardApp/UI/iOS/UITableViewCell+Reuse.swift b/Sources/WireGuardApp/UI/iOS/UITableViewCell+Reuse.swift
index dc981d2d2..217a3caaf 100644
--- a/Sources/WireGuardApp/UI/iOS/UITableViewCell+Reuse.swift
+++ b/Sources/WireGuardApp/UI/iOS/UITableViewCell+Reuse.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/View/BorderedTextButton.swift b/Sources/WireGuardApp/UI/iOS/View/BorderedTextButton.swift
index f8f373a7e..6f9d55c56 100644
--- a/Sources/WireGuardApp/UI/iOS/View/BorderedTextButton.swift
+++ b/Sources/WireGuardApp/UI/iOS/View/BorderedTextButton.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/View/ButtonCell.swift b/Sources/WireGuardApp/UI/iOS/View/ButtonCell.swift
index 1d9912dd9..ae7a144b4 100644
--- a/Sources/WireGuardApp/UI/iOS/View/ButtonCell.swift
+++ b/Sources/WireGuardApp/UI/iOS/View/ButtonCell.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/View/CheckmarkCell.swift b/Sources/WireGuardApp/UI/iOS/View/CheckmarkCell.swift
index 34eb0df71..fedef53e9 100644
--- a/Sources/WireGuardApp/UI/iOS/View/CheckmarkCell.swift
+++ b/Sources/WireGuardApp/UI/iOS/View/CheckmarkCell.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/View/ChevronCell.swift b/Sources/WireGuardApp/UI/iOS/View/ChevronCell.swift
index 30256a0f6..0429fb9d9 100644
--- a/Sources/WireGuardApp/UI/iOS/View/ChevronCell.swift
+++ b/Sources/WireGuardApp/UI/iOS/View/ChevronCell.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/View/EditableTextCell.swift b/Sources/WireGuardApp/UI/iOS/View/EditableTextCell.swift
index d84d23e51..e065b4fb6 100644
--- a/Sources/WireGuardApp/UI/iOS/View/EditableTextCell.swift
+++ b/Sources/WireGuardApp/UI/iOS/View/EditableTextCell.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/View/KeyValueCell.swift b/Sources/WireGuardApp/UI/iOS/View/KeyValueCell.swift
index 3162abf34..ab1a71f95 100644
--- a/Sources/WireGuardApp/UI/iOS/View/KeyValueCell.swift
+++ b/Sources/WireGuardApp/UI/iOS/View/KeyValueCell.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/View/SwitchCell.swift b/Sources/WireGuardApp/UI/iOS/View/SwitchCell.swift
index 82d3dec43..4bedbba55 100644
--- a/Sources/WireGuardApp/UI/iOS/View/SwitchCell.swift
+++ b/Sources/WireGuardApp/UI/iOS/View/SwitchCell.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/View/TextCell.swift b/Sources/WireGuardApp/UI/iOS/View/TextCell.swift
index 5c39512b2..3024b469c 100644
--- a/Sources/WireGuardApp/UI/iOS/View/TextCell.swift
+++ b/Sources/WireGuardApp/UI/iOS/View/TextCell.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/View/TunnelEditKeyValueCell.swift b/Sources/WireGuardApp/UI/iOS/View/TunnelEditKeyValueCell.swift
index a44af7cbc..d1514027d 100644
--- a/Sources/WireGuardApp/UI/iOS/View/TunnelEditKeyValueCell.swift
+++ b/Sources/WireGuardApp/UI/iOS/View/TunnelEditKeyValueCell.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/View/TunnelListCell.swift b/Sources/WireGuardApp/UI/iOS/View/TunnelListCell.swift
index 97948b86b..71ee6d86f 100644
--- a/Sources/WireGuardApp/UI/iOS/View/TunnelListCell.swift
+++ b/Sources/WireGuardApp/UI/iOS/View/TunnelListCell.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/ViewController/LogViewController.swift b/Sources/WireGuardApp/UI/iOS/ViewController/LogViewController.swift
index 4e4a13157..23989198d 100644
--- a/Sources/WireGuardApp/UI/iOS/ViewController/LogViewController.swift
+++ b/Sources/WireGuardApp/UI/iOS/ViewController/LogViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/ViewController/MainViewController.swift b/Sources/WireGuardApp/UI/iOS/ViewController/MainViewController.swift
index eb1f91a42..854229604 100644
--- a/Sources/WireGuardApp/UI/iOS/ViewController/MainViewController.swift
+++ b/Sources/WireGuardApp/UI/iOS/ViewController/MainViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/ViewController/QRScanViewController.swift b/Sources/WireGuardApp/UI/iOS/ViewController/QRScanViewController.swift
index 4be0d67bf..cb297a679 100644
--- a/Sources/WireGuardApp/UI/iOS/ViewController/QRScanViewController.swift
+++ b/Sources/WireGuardApp/UI/iOS/ViewController/QRScanViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import AVFoundation
 import UIKit
diff --git a/Sources/WireGuardApp/UI/iOS/ViewController/SSIDOptionDetailTableViewController.swift b/Sources/WireGuardApp/UI/iOS/ViewController/SSIDOptionDetailTableViewController.swift
index d315e2f81..42115601d 100644
--- a/Sources/WireGuardApp/UI/iOS/ViewController/SSIDOptionDetailTableViewController.swift
+++ b/Sources/WireGuardApp/UI/iOS/ViewController/SSIDOptionDetailTableViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/ViewController/SSIDOptionEditTableViewController.swift b/Sources/WireGuardApp/UI/iOS/ViewController/SSIDOptionEditTableViewController.swift
index 072e86a2d..ef9a88cdd 100644
--- a/Sources/WireGuardApp/UI/iOS/ViewController/SSIDOptionEditTableViewController.swift
+++ b/Sources/WireGuardApp/UI/iOS/ViewController/SSIDOptionEditTableViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 import SystemConfiguration.CaptiveNetwork
diff --git a/Sources/WireGuardApp/UI/iOS/ViewController/SettingsTableViewController.swift b/Sources/WireGuardApp/UI/iOS/ViewController/SettingsTableViewController.swift
index afec4b0a7..483b77965 100644
--- a/Sources/WireGuardApp/UI/iOS/ViewController/SettingsTableViewController.swift
+++ b/Sources/WireGuardApp/UI/iOS/ViewController/SettingsTableViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 import os.log
diff --git a/Sources/WireGuardApp/UI/iOS/ViewController/TunnelDetailTableViewController.swift b/Sources/WireGuardApp/UI/iOS/ViewController/TunnelDetailTableViewController.swift
index 196de0c69..509d12354 100644
--- a/Sources/WireGuardApp/UI/iOS/ViewController/TunnelDetailTableViewController.swift
+++ b/Sources/WireGuardApp/UI/iOS/ViewController/TunnelDetailTableViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/ViewController/TunnelEditTableViewController.swift b/Sources/WireGuardApp/UI/iOS/ViewController/TunnelEditTableViewController.swift
index e44cf8d4c..dfb35c64d 100644
--- a/Sources/WireGuardApp/UI/iOS/ViewController/TunnelEditTableViewController.swift
+++ b/Sources/WireGuardApp/UI/iOS/ViewController/TunnelEditTableViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 
diff --git a/Sources/WireGuardApp/UI/iOS/ViewController/TunnelsListTableViewController.swift b/Sources/WireGuardApp/UI/iOS/ViewController/TunnelsListTableViewController.swift
index 95d4504aa..448615165 100644
--- a/Sources/WireGuardApp/UI/iOS/ViewController/TunnelsListTableViewController.swift
+++ b/Sources/WireGuardApp/UI/iOS/ViewController/TunnelsListTableViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import UIKit
 import MobileCoreServices
diff --git a/Sources/WireGuardApp/UI/macOS/AppDelegate.swift b/Sources/WireGuardApp/UI/macOS/AppDelegate.swift
index f1ed4cd31..1dda3e61a 100644
--- a/Sources/WireGuardApp/UI/macOS/AppDelegate.swift
+++ b/Sources/WireGuardApp/UI/macOS/AppDelegate.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 import ServiceManagement
diff --git a/Sources/WireGuardApp/UI/macOS/Application.swift b/Sources/WireGuardApp/UI/macOS/Application.swift
index 67d67a795..261ee8a04 100644
--- a/Sources/WireGuardApp/UI/macOS/Application.swift
+++ b/Sources/WireGuardApp/UI/macOS/Application.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/ErrorPresenter.swift b/Sources/WireGuardApp/UI/macOS/ErrorPresenter.swift
index 71157dbcc..dbab027b8 100644
--- a/Sources/WireGuardApp/UI/macOS/ErrorPresenter.swift
+++ b/Sources/WireGuardApp/UI/macOS/ErrorPresenter.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/ImportPanelPresenter.swift b/Sources/WireGuardApp/UI/macOS/ImportPanelPresenter.swift
index c236e0871..b10aa885a 100644
--- a/Sources/WireGuardApp/UI/macOS/ImportPanelPresenter.swift
+++ b/Sources/WireGuardApp/UI/macOS/ImportPanelPresenter.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/Info.plist b/Sources/WireGuardApp/UI/macOS/Info.plist
index 3211fe6c7..a40513869 100644
--- a/Sources/WireGuardApp/UI/macOS/Info.plist
+++ b/Sources/WireGuardApp/UI/macOS/Info.plist
@@ -29,7 +29,7 @@
 	<key>LSUIElement</key>
 	<true/>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.</string>
+	<string>Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.</string>
 	<key>NSPrincipalClass</key>
 	<string>WireGuard.Application</string>
 	<key>LSApplicationCategoryType</key>
diff --git a/Sources/WireGuardApp/UI/macOS/LaunchedAtLoginDetector.swift b/Sources/WireGuardApp/UI/macOS/LaunchedAtLoginDetector.swift
index 94faa57fc..158e4641d 100644
--- a/Sources/WireGuardApp/UI/macOS/LaunchedAtLoginDetector.swift
+++ b/Sources/WireGuardApp/UI/macOS/LaunchedAtLoginDetector.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/LoginItemHelper/Info.plist b/Sources/WireGuardApp/UI/macOS/LoginItemHelper/Info.plist
index 516eafdbf..185de16d1 100644
--- a/Sources/WireGuardApp/UI/macOS/LoginItemHelper/Info.plist
+++ b/Sources/WireGuardApp/UI/macOS/LoginItemHelper/Info.plist
@@ -25,7 +25,7 @@
 	<key>LSMinimumSystemVersion</key>
 	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.</string>
+	<string>Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.</string>
 	<key>NSPrincipalClass</key>
 	<string>NSApplication</string>
 	<key>LSBackgroundOnly</key>
diff --git a/Sources/WireGuardApp/UI/macOS/LoginItemHelper/main.m b/Sources/WireGuardApp/UI/macOS/LoginItemHelper/main.m
index 3c1b45274..f8a0535f3 100644
--- a/Sources/WireGuardApp/UI/macOS/LoginItemHelper/main.m
+++ b/Sources/WireGuardApp/UI/macOS/LoginItemHelper/main.m
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 #import <Cocoa/Cocoa.h>
 
diff --git a/Sources/WireGuardApp/UI/macOS/MacAppStoreUpdateDetector.swift b/Sources/WireGuardApp/UI/macOS/MacAppStoreUpdateDetector.swift
index bcbe28f35..89c5b533d 100644
--- a/Sources/WireGuardApp/UI/macOS/MacAppStoreUpdateDetector.swift
+++ b/Sources/WireGuardApp/UI/macOS/MacAppStoreUpdateDetector.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/NSColor+Hex.swift b/Sources/WireGuardApp/UI/macOS/NSColor+Hex.swift
index b77e82edf..255cc6497 100644
--- a/Sources/WireGuardApp/UI/macOS/NSColor+Hex.swift
+++ b/Sources/WireGuardApp/UI/macOS/NSColor+Hex.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import AppKit
 
diff --git a/Sources/WireGuardApp/UI/macOS/NSTableView+Reuse.swift b/Sources/WireGuardApp/UI/macOS/NSTableView+Reuse.swift
index bdf55ab9a..ceb3df14f 100644
--- a/Sources/WireGuardApp/UI/macOS/NSTableView+Reuse.swift
+++ b/Sources/WireGuardApp/UI/macOS/NSTableView+Reuse.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/ParseError+WireGuardAppError.swift b/Sources/WireGuardApp/UI/macOS/ParseError+WireGuardAppError.swift
index 96da524dd..7527d7dfa 100644
--- a/Sources/WireGuardApp/UI/macOS/ParseError+WireGuardAppError.swift
+++ b/Sources/WireGuardApp/UI/macOS/ParseError+WireGuardAppError.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/StatusItemController.swift b/Sources/WireGuardApp/UI/macOS/StatusItemController.swift
index 19723cbed..3088574dc 100644
--- a/Sources/WireGuardApp/UI/macOS/StatusItemController.swift
+++ b/Sources/WireGuardApp/UI/macOS/StatusItemController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/StatusMenu.swift b/Sources/WireGuardApp/UI/macOS/StatusMenu.swift
index 6cd00a424..45d22838b 100644
--- a/Sources/WireGuardApp/UI/macOS/StatusMenu.swift
+++ b/Sources/WireGuardApp/UI/macOS/StatusMenu.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/TunnelsTracker.swift b/Sources/WireGuardApp/UI/macOS/TunnelsTracker.swift
index 86cfaa647..0ab59ee5d 100644
--- a/Sources/WireGuardApp/UI/macOS/TunnelsTracker.swift
+++ b/Sources/WireGuardApp/UI/macOS/TunnelsTracker.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/View/ButtonRow.swift b/Sources/WireGuardApp/UI/macOS/View/ButtonRow.swift
index 2165f1fd7..98e4d497a 100644
--- a/Sources/WireGuardApp/UI/macOS/View/ButtonRow.swift
+++ b/Sources/WireGuardApp/UI/macOS/View/ButtonRow.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/View/ConfTextColorTheme.swift b/Sources/WireGuardApp/UI/macOS/View/ConfTextColorTheme.swift
index db1bcae78..d08503a6e 100644
--- a/Sources/WireGuardApp/UI/macOS/View/ConfTextColorTheme.swift
+++ b/Sources/WireGuardApp/UI/macOS/View/ConfTextColorTheme.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/View/ConfTextStorage.swift b/Sources/WireGuardApp/UI/macOS/View/ConfTextStorage.swift
index 274a1370d..574859d24 100644
--- a/Sources/WireGuardApp/UI/macOS/View/ConfTextStorage.swift
+++ b/Sources/WireGuardApp/UI/macOS/View/ConfTextStorage.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/View/ConfTextView.swift b/Sources/WireGuardApp/UI/macOS/View/ConfTextView.swift
index 5d3f3cf5b..eafaf12aa 100644
--- a/Sources/WireGuardApp/UI/macOS/View/ConfTextView.swift
+++ b/Sources/WireGuardApp/UI/macOS/View/ConfTextView.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/View/DeleteTunnelsConfirmationAlert.swift b/Sources/WireGuardApp/UI/macOS/View/DeleteTunnelsConfirmationAlert.swift
index e5ffd3112..59cc556e8 100644
--- a/Sources/WireGuardApp/UI/macOS/View/DeleteTunnelsConfirmationAlert.swift
+++ b/Sources/WireGuardApp/UI/macOS/View/DeleteTunnelsConfirmationAlert.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/View/KeyValueRow.swift b/Sources/WireGuardApp/UI/macOS/View/KeyValueRow.swift
index 805ea8909..2ce31a61c 100644
--- a/Sources/WireGuardApp/UI/macOS/View/KeyValueRow.swift
+++ b/Sources/WireGuardApp/UI/macOS/View/KeyValueRow.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/View/LogViewCell.swift b/Sources/WireGuardApp/UI/macOS/View/LogViewCell.swift
index 1869c8176..50eb2bd60 100644
--- a/Sources/WireGuardApp/UI/macOS/View/LogViewCell.swift
+++ b/Sources/WireGuardApp/UI/macOS/View/LogViewCell.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/View/OnDemandWiFiControls.swift b/Sources/WireGuardApp/UI/macOS/View/OnDemandWiFiControls.swift
index 4630d7d93..fb9ff3522 100644
--- a/Sources/WireGuardApp/UI/macOS/View/OnDemandWiFiControls.swift
+++ b/Sources/WireGuardApp/UI/macOS/View/OnDemandWiFiControls.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 import CoreWLAN
diff --git a/Sources/WireGuardApp/UI/macOS/View/TunnelListRow.swift b/Sources/WireGuardApp/UI/macOS/View/TunnelListRow.swift
index 57b08ccff..9f844b111 100644
--- a/Sources/WireGuardApp/UI/macOS/View/TunnelListRow.swift
+++ b/Sources/WireGuardApp/UI/macOS/View/TunnelListRow.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/ViewController/ButtonedDetailViewController.swift b/Sources/WireGuardApp/UI/macOS/ViewController/ButtonedDetailViewController.swift
index 7989bdabc..bd0d5e502 100644
--- a/Sources/WireGuardApp/UI/macOS/ViewController/ButtonedDetailViewController.swift
+++ b/Sources/WireGuardApp/UI/macOS/ViewController/ButtonedDetailViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/ViewController/LogViewController.swift b/Sources/WireGuardApp/UI/macOS/ViewController/LogViewController.swift
index 986eaa305..14fc776a7 100644
--- a/Sources/WireGuardApp/UI/macOS/ViewController/LogViewController.swift
+++ b/Sources/WireGuardApp/UI/macOS/ViewController/LogViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/ViewController/ManageTunnelsRootViewController.swift b/Sources/WireGuardApp/UI/macOS/ViewController/ManageTunnelsRootViewController.swift
index 1653ab84c..88eb8be9f 100644
--- a/Sources/WireGuardApp/UI/macOS/ViewController/ManageTunnelsRootViewController.swift
+++ b/Sources/WireGuardApp/UI/macOS/ViewController/ManageTunnelsRootViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/ViewController/TunnelDetailTableViewController.swift b/Sources/WireGuardApp/UI/macOS/ViewController/TunnelDetailTableViewController.swift
index 6ad8cf3f5..41d2b158c 100644
--- a/Sources/WireGuardApp/UI/macOS/ViewController/TunnelDetailTableViewController.swift
+++ b/Sources/WireGuardApp/UI/macOS/ViewController/TunnelDetailTableViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/ViewController/TunnelEditViewController.swift b/Sources/WireGuardApp/UI/macOS/ViewController/TunnelEditViewController.swift
index c1f7c7447..851498a18 100644
--- a/Sources/WireGuardApp/UI/macOS/ViewController/TunnelEditViewController.swift
+++ b/Sources/WireGuardApp/UI/macOS/ViewController/TunnelEditViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/ViewController/TunnelsListTableViewController.swift b/Sources/WireGuardApp/UI/macOS/ViewController/TunnelsListTableViewController.swift
index 7c94dbb20..a6cc5c5ac 100644
--- a/Sources/WireGuardApp/UI/macOS/ViewController/TunnelsListTableViewController.swift
+++ b/Sources/WireGuardApp/UI/macOS/ViewController/TunnelsListTableViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/UI/macOS/ViewController/UnusableTunnelDetailViewController.swift b/Sources/WireGuardApp/UI/macOS/ViewController/UnusableTunnelDetailViewController.swift
index cc7ab8cec..9e49cc3a8 100644
--- a/Sources/WireGuardApp/UI/macOS/ViewController/UnusableTunnelDetailViewController.swift
+++ b/Sources/WireGuardApp/UI/macOS/ViewController/UnusableTunnelDetailViewController.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Cocoa
 
diff --git a/Sources/WireGuardApp/WireGuardAppError.swift b/Sources/WireGuardApp/WireGuardAppError.swift
index a461909d3..e02ba5f39 100644
--- a/Sources/WireGuardApp/WireGuardAppError.swift
+++ b/Sources/WireGuardApp/WireGuardAppError.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 protocol WireGuardAppError: Error {
     typealias AlertText = (title: String, message: String)
diff --git a/Sources/WireGuardApp/WireGuardResult.swift b/Sources/WireGuardApp/WireGuardResult.swift
index f6c9a4c12..fb6d5ea48 100644
--- a/Sources/WireGuardApp/WireGuardResult.swift
+++ b/Sources/WireGuardApp/WireGuardResult.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 enum WireGuardResult<T> {
     case success(_ value: T)
diff --git a/Sources/WireGuardApp/ZipArchive/ZipArchive.swift b/Sources/WireGuardApp/ZipArchive/ZipArchive.swift
index 59063d0ff..3b077c1be 100644
--- a/Sources/WireGuardApp/ZipArchive/ZipArchive.swift
+++ b/Sources/WireGuardApp/ZipArchive/ZipArchive.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardApp/ZipArchive/ZipExporter.swift b/Sources/WireGuardApp/ZipArchive/ZipExporter.swift
index 1e6496a4d..473db2fc0 100644
--- a/Sources/WireGuardApp/ZipArchive/ZipExporter.swift
+++ b/Sources/WireGuardApp/ZipArchive/ZipExporter.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardApp/ZipArchive/ZipImporter.swift b/Sources/WireGuardApp/ZipArchive/ZipImporter.swift
index 9ea89e37d..d5e507d40 100644
--- a/Sources/WireGuardApp/ZipArchive/ZipImporter.swift
+++ b/Sources/WireGuardApp/ZipArchive/ZipImporter.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardApp/de.lproj/Localizable.strings b/Sources/WireGuardApp/de.lproj/Localizable.strings
index ffcb429b2..cc0a93e33 100644
--- a/Sources/WireGuardApp/de.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/de.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/es.lproj/Localizable.strings b/Sources/WireGuardApp/es.lproj/Localizable.strings
index 0ffc99454..a4ba30006 100644
--- a/Sources/WireGuardApp/es.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/es.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/fa.lproj/Localizable.strings b/Sources/WireGuardApp/fa.lproj/Localizable.strings
index 43bd3937b..7f220da94 100644
--- a/Sources/WireGuardApp/fa.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/fa.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/fi.lproj/Localizable.strings b/Sources/WireGuardApp/fi.lproj/Localizable.strings
index b359675a2..4c2604d88 100644
--- a/Sources/WireGuardApp/fi.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/fi.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/fr.lproj/Localizable.strings b/Sources/WireGuardApp/fr.lproj/Localizable.strings
index aeeed291e..43dcfd8ed 100644
--- a/Sources/WireGuardApp/fr.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/fr.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/id.lproj/Localizable.strings b/Sources/WireGuardApp/id.lproj/Localizable.strings
index c337cfa77..a1e9ca5dc 100644
--- a/Sources/WireGuardApp/id.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/id.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/it.lproj/Localizable.strings b/Sources/WireGuardApp/it.lproj/Localizable.strings
index 68acfc2d4..417688186 100644
--- a/Sources/WireGuardApp/it.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/it.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/ja.lproj/Localizable.strings b/Sources/WireGuardApp/ja.lproj/Localizable.strings
index be5d30b02..07ec818b4 100644
--- a/Sources/WireGuardApp/ja.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/ja.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/ko.lproj/Localizable.strings b/Sources/WireGuardApp/ko.lproj/Localizable.strings
index 39634f256..070b3fcdd 100644
--- a/Sources/WireGuardApp/ko.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/ko.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/pa.lproj/Localizable.strings b/Sources/WireGuardApp/pa.lproj/Localizable.strings
index 54cef5fe5..c2b22ce2d 100644
--- a/Sources/WireGuardApp/pa.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/pa.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/pl.lproj/Localizable.strings b/Sources/WireGuardApp/pl.lproj/Localizable.strings
index 550344a9d..5741570a0 100644
--- a/Sources/WireGuardApp/pl.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/pl.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/ro.lproj/Localizable.strings b/Sources/WireGuardApp/ro.lproj/Localizable.strings
index 0b0843fa4..fe4415533 100644
--- a/Sources/WireGuardApp/ro.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/ro.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/ru.lproj/Localizable.strings b/Sources/WireGuardApp/ru.lproj/Localizable.strings
index aa1891916..c05a566af 100644
--- a/Sources/WireGuardApp/ru.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/ru.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/sl.lproj/Localizable.strings b/Sources/WireGuardApp/sl.lproj/Localizable.strings
index b57da97ed..a4434c031 100644
--- a/Sources/WireGuardApp/sl.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/sl.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/tr.lproj/Localizable.strings b/Sources/WireGuardApp/tr.lproj/Localizable.strings
index 537d28cff..84868dda0 100644
--- a/Sources/WireGuardApp/tr.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/tr.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/zh-Hans.lproj/Localizable.strings b/Sources/WireGuardApp/zh-Hans.lproj/Localizable.strings
index 1f97382bd..83dbd8d24 100644
--- a/Sources/WireGuardApp/zh-Hans.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/zh-Hans.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardApp/zh-Hant.lproj/Localizable.strings b/Sources/WireGuardApp/zh-Hant.lproj/Localizable.strings
index 5aef8b482..41bc67254 100644
--- a/Sources/WireGuardApp/zh-Hant.lproj/Localizable.strings
+++ b/Sources/WireGuardApp/zh-Hant.lproj/Localizable.strings
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 // Generic alert action names
 
 
diff --git a/Sources/WireGuardKit/Array+ConcurrentMap.swift b/Sources/WireGuardKit/Array+ConcurrentMap.swift
index a1720625b..13309c61d 100644
--- a/Sources/WireGuardKit/Array+ConcurrentMap.swift
+++ b/Sources/WireGuardKit/Array+ConcurrentMap.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardKit/DNSResolver.swift b/Sources/WireGuardKit/DNSResolver.swift
index 57f959ac0..cf4fde611 100644
--- a/Sources/WireGuardKit/DNSResolver.swift
+++ b/Sources/WireGuardKit/DNSResolver.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Network
 import Foundation
diff --git a/Sources/WireGuardKit/DNSServer.swift b/Sources/WireGuardKit/DNSServer.swift
index 274fec194..eaf10f8cf 100644
--- a/Sources/WireGuardKit/DNSServer.swift
+++ b/Sources/WireGuardKit/DNSServer.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 import Network
diff --git a/Sources/WireGuardKit/Endpoint.swift b/Sources/WireGuardKit/Endpoint.swift
index 747548fc1..da4908853 100644
--- a/Sources/WireGuardKit/Endpoint.swift
+++ b/Sources/WireGuardKit/Endpoint.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 import Network
diff --git a/Sources/WireGuardKit/IPAddress+AddrInfo.swift b/Sources/WireGuardKit/IPAddress+AddrInfo.swift
index 5f27b704c..7fe1fa7bf 100644
--- a/Sources/WireGuardKit/IPAddress+AddrInfo.swift
+++ b/Sources/WireGuardKit/IPAddress+AddrInfo.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 import Network
diff --git a/Sources/WireGuardKit/IPAddressRange.swift b/Sources/WireGuardKit/IPAddressRange.swift
index 28a95d82e..60430af19 100644
--- a/Sources/WireGuardKit/IPAddressRange.swift
+++ b/Sources/WireGuardKit/IPAddressRange.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 import Network
diff --git a/Sources/WireGuardKit/InterfaceConfiguration.swift b/Sources/WireGuardKit/InterfaceConfiguration.swift
index 4fb8f1b4c..d99d9693e 100644
--- a/Sources/WireGuardKit/InterfaceConfiguration.swift
+++ b/Sources/WireGuardKit/InterfaceConfiguration.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 import Network
diff --git a/Sources/WireGuardKit/PacketTunnelSettingsGenerator.swift b/Sources/WireGuardKit/PacketTunnelSettingsGenerator.swift
index c53a82cde..3658956c6 100644
--- a/Sources/WireGuardKit/PacketTunnelSettingsGenerator.swift
+++ b/Sources/WireGuardKit/PacketTunnelSettingsGenerator.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 import Network
diff --git a/Sources/WireGuardKit/PeerConfiguration.swift b/Sources/WireGuardKit/PeerConfiguration.swift
index 8ef9f56a2..bc9276f37 100644
--- a/Sources/WireGuardKit/PeerConfiguration.swift
+++ b/Sources/WireGuardKit/PeerConfiguration.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardKit/PrivateKey.swift b/Sources/WireGuardKit/PrivateKey.swift
index f98f41d0a..79d389dac 100644
--- a/Sources/WireGuardKit/PrivateKey.swift
+++ b/Sources/WireGuardKit/PrivateKey.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardKit/TunnelConfiguration.swift b/Sources/WireGuardKit/TunnelConfiguration.swift
index 51574597a..a59ba2fcf 100644
--- a/Sources/WireGuardKit/TunnelConfiguration.swift
+++ b/Sources/WireGuardKit/TunnelConfiguration.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 
diff --git a/Sources/WireGuardKit/WireGuardAdapter.swift b/Sources/WireGuardKit/WireGuardAdapter.swift
index 4cb2e2ea6..f7be19b15 100644
--- a/Sources/WireGuardKit/WireGuardAdapter.swift
+++ b/Sources/WireGuardKit/WireGuardAdapter.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 import NetworkExtension
diff --git a/Sources/WireGuardKitC/WireGuardKitC.h b/Sources/WireGuardKitC/WireGuardKitC.h
index 36218b9c5..54e4783d4 100644
--- a/Sources/WireGuardKitC/WireGuardKitC.h
+++ b/Sources/WireGuardKitC/WireGuardKitC.h
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 #include "key.h"
 #include "x25519.h"
diff --git a/Sources/WireGuardKitGo/wireguard.h b/Sources/WireGuardKitGo/wireguard.h
index 72dbd4d73..fdb66c2de 100644
--- a/Sources/WireGuardKitGo/wireguard.h
+++ b/Sources/WireGuardKitGo/wireguard.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: MIT
  *
- * Copyright (C) 2018-2021 WireGuard LLC. All Rights Reserved.
+ * Copyright (C) 2018-2023 WireGuard LLC. All Rights Reserved.
  */
 
 #ifndef WIREGUARD_H
diff --git a/Sources/WireGuardNetworkExtension/ErrorNotifier.swift b/Sources/WireGuardNetworkExtension/ErrorNotifier.swift
index a9794549c..144002819 100644
--- a/Sources/WireGuardNetworkExtension/ErrorNotifier.swift
+++ b/Sources/WireGuardNetworkExtension/ErrorNotifier.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import NetworkExtension
 
diff --git a/Sources/WireGuardNetworkExtension/PacketTunnelProvider.swift b/Sources/WireGuardNetworkExtension/PacketTunnelProvider.swift
index d67f8b27d..913b7e670 100644
--- a/Sources/WireGuardNetworkExtension/PacketTunnelProvider.swift
+++ b/Sources/WireGuardNetworkExtension/PacketTunnelProvider.swift
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
 
 import Foundation
 import NetworkExtension
diff --git a/WireGuard.xcodeproj/xcshareddata/IDETemplateMacros.plist b/WireGuard.xcodeproj/xcshareddata/IDETemplateMacros.plist
index 9d877823c..55d121139 100644
--- a/WireGuard.xcodeproj/xcshareddata/IDETemplateMacros.plist
+++ b/WireGuard.xcodeproj/xcshareddata/IDETemplateMacros.plist
@@ -4,6 +4,6 @@
 <dict>
 	<key>FILEHEADER</key>
 	<string> SPDX-License-Identifier: MIT
-// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.</string>
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.</string>
 </dict>
 </plist>