diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index c9a7a41..c61dccf 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9, 3.10]
+        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
 
     steps:
     - uses: actions/checkout@v2