diff --git a/.github/workflows/buildapp.yml b/.github/workflows/buildapp.yml
index 0aafe9c..b7f0c44 100644
--- a/.github/workflows/buildapp.yml
+++ b/.github/workflows/buildapp.yml
@@ -44,7 +44,8 @@ concurrency:
 jobs:
   build:
     name: Build uYouPlus
-    runs-on: macos-latest
+#     runs-on: macos-latest
+    runs-on: macos-11
     permissions:
       contents: write