diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3be81417..e97b5166 100755
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,11 +14,7 @@ jobs:
   # This workflow contains a single job called "build"
   job1:
     name: Test Oxidizer on macOS
-    runs-on: ${{ matrix.os }}
-
-    strategy:
-      matrix:
-        os: [macos-latest, macos-11]
+    runs-on: macos-latest
 
     steps:
       - uses: actions/checkout@v3