diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6b5c5434..cb4bcd4e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,7 +6,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python_version: [3.11, 3.10, 3.9, 3.8]
+        python_version: ['3.11', '3.10', '3.9', '3.8']
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3.1.0