diff --git a/.github/workflows/macos_unit_tests.yaml b/.github/workflows/macos_unit_tests.yaml
index 22baac3608b..2de92394f8b 100644
--- a/.github/workflows/macos_unit_tests.yaml
+++ b/.github/workflows/macos_unit_tests.yaml
@@ -14,7 +14,7 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        python-version: [3.8, 3.9]
+        python-version: [3.8]
     steps:
     - uses: actions/checkout@v2
       with: