diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ed10dc35f..f8bd9af4d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,7 +35,7 @@ jobs:
 
   macos:
     needs: lint
-    runs-on: macos-latest
+    runs-on: macos-11.0
     if: github.ref == 'refs/heads/development' || github.ref == 'refs/heads/master'
 
     steps: