diff --git a/.github/workflows/PR_build.yml b/.github/workflows/PR_build.yml
index 4dfb8b5a..169a27d4 100644
--- a/.github/workflows/PR_build.yml
+++ b/.github/workflows/PR_build.yml
@@ -84,12 +84,13 @@ jobs:
   xcode:
     name: XCode
     needs: clang
-    runs-on: macos-15
+    runs-on: macos-14
     strategy:
       fail-fast: false
       matrix:
         include:
           - xcode: "16.1"
+    steps:
       - name: Checkout
         uses: actions/checkout@v3
         with:
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bd94b94f..ccb642b8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -122,7 +122,7 @@ jobs:
   xcode:
     name: XCode
     needs: clang
-    runs-on: macos-15
+    runs-on: macos-14
     strategy:
       fail-fast: false
       matrix: