diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index b61a03c18..a3c4daa06 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -55,7 +55,7 @@ jobs:
               with:
                 token: ${{ secrets.CODE_COV_UPLOAD_TOKEN }}
     build-test-mac:
-        runs-on: macos-latest
+        runs-on: macos-11
         strategy:
             fail-fast: false
             matrix: