diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a3c21c924..f0aaa03fc 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -39,7 +39,7 @@ jobs:
   #       bash ./run_tests
 
   tests-mac:
-    runs-on:  macos-11
+    runs-on:  macos-12
     steps:
     - uses: actions/checkout@v2
     - name: Install dependencies