diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 3c026982f..30d075ca8 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -35,6 +35,8 @@ jobs:
             python-version: '3.10.13'
           - os: windows-latest
             python-version: '3.9.18'
+          - os: macos-12
+            if: github.event_name == 'push' && github.ref == 'refs/heads/main'
         include:
           - os: windows-latest
             python-version: '3.10.11'