diff --git a/.github/workflows/verify.yml b/.github/workflows/verify.yml
index 5d15f7c..03bd860 100644
--- a/.github/workflows/verify.yml
+++ b/.github/workflows/verify.yml
@@ -32,7 +32,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.8, 3.9, 3.10, 3.11, 3.12]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v1