diff --git a/.github/workflows/macos-app.yml b/.github/workflows/macos-app.yml
index 3a34d0d..572f622 100644
--- a/.github/workflows/macos-app.yml
+++ b/.github/workflows/macos-app.yml
@@ -26,7 +26,7 @@ concurrency:
 jobs:
   spm:
     name: SwiftPM build + test (macos-14)
-    runs-on: macos-14
+    runs-on: macos-15
     timeout-minutes: 15
     defaults:
       run:
@@ -57,7 +57,7 @@ jobs:
 
   xcodegen:
     name: XcodeGen + xcodebuild (macos-14)
-    runs-on: macos-14
+    runs-on: macos-15
     timeout-minutes: 20
     defaults:
       run: