diff --git a/.github/workflows/python-flake8.yml b/.github/workflows/python-flake8.yml
index d71ca68..4c7f58f 100644
--- a/.github/workflows/python-flake8.yml
+++ b/.github/workflows/python-flake8.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.8, 3.9, 3.10, 3.11]
+        python-version: [3.8, 3.9, '3.10', 3.11]
 
     steps:
     - uses: actions/checkout@v2