diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3b052e43..6396f326 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -56,7 +56,7 @@ jobs:
 
   mac-intel:
     name: Test on macOS Intel
-    runs-on: macos-11
+    runs-on: macos-14
 
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/weekly.yml b/.github/workflows/weekly.yml
index f8cee97e..572b131d 100644
--- a/.github/workflows/weekly.yml
+++ b/.github/workflows/weekly.yml
@@ -37,7 +37,7 @@ jobs:
 
   mac-intel:
     name: MacOS Intel
-    runs-on: macos-11
+    runs-on: macos-14
 
     steps:
       - uses: actions/checkout@v4