diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index daec7b418..be623dc72 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -12,8 +12,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest,macos-latest]
-        python-version: [3.8]
+        os: [ubuntu-latest]
+        python-version: [3.8,3.9]
 
     steps:
       - uses: actions/checkout@v4