diff --git a/.github/workflows/tox.yaml b/.github/workflows/tox.yaml
index 94d5d43..f10f929 100644
--- a/.github/workflows/tox.yaml
+++ b/.github/workflows/tox.yaml
@@ -7,7 +7,7 @@ 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