diff --git a/.github/workflows/python-ci-tests.yml b/.github/workflows/python-ci-tests.yml
index edb2c4b..211aa4c 100644
--- a/.github/workflows/python-ci-tests.yml
+++ b/.github/workflows/python-ci-tests.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9, 3.10]
+        python-version: [3.7, 3.8, 3.9, '3.10']
 
     name: Python ${{ matrix.python-version }} Build
     steps: