diff --git a/src/fetch.py b/src/fetch.py
index 74588776..bf37ab4a 100644
--- a/src/fetch.py
+++ b/src/fetch.py
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2023 Jonah Brüchert <jbb@kaidan.im>
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 from metadata import *
 from pathlib import Path
 import requests
diff --git a/src/metadata.py b/src/metadata.py
index 1c400eec..b8f881b7 100644
--- a/src/metadata.py
+++ b/src/metadata.py
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2023 Jonah Brüchert <jbb@kaidan.im>
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 from typing import List
 
 
diff --git a/src/transitland.py b/src/transitland.py
index 337d9ebc..c11592c6 100644
--- a/src/transitland.py
+++ b/src/transitland.py
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2023 Jonah Brüchert <jbb@kaidan.im>
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 from pathlib import Path
 from typing import Dict
 import json