diff --git a/.github/workflows/pytest-builds.yml b/.github/workflows/pytest-builds.yml
index 5f8800a..ef74dc8 100644
--- a/.github/workflows/pytest-builds.yml
+++ b/.github/workflows/pytest-builds.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.10, 3.11, 3.12]
+        python-version: ['3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v2