diff --git a/.github/workflows/build_and_release.yml b/.github/workflows/build_and_release.yml
index 13be873e4..c34bfea45 100644
--- a/.github/workflows/build_and_release.yml
+++ b/.github/workflows/build_and_release.yml
@@ -245,7 +245,7 @@ jobs:
 
   build-mac:
 
-    runs-on: macos-latest
+    runs-on: macos-10.15
 
     steps: