diff --git a/.github/workflows/core_build.yml b/.github/workflows/core_build.yml
index dffb30bd2..431ed6e67 100644
--- a/.github/workflows/core_build.yml
+++ b/.github/workflows/core_build.yml
@@ -73,7 +73,7 @@ jobs:
       matrix:
         os:
           - macos-10.15
-          - macos-11.0
+ #         - macos-11.0
     runs-on: ${{ matrix.os }}
     name: ${{ matrix.os }}
     needs: [build]