diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7d59395..eff3ac1 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   test-xcode:
-    runs-on: macos-latest
+    runs-on: macos-12
     strategy:
       matrix:
         xcode: