diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f558e18..b22447e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -8,7 +8,7 @@ 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