diff --git a/.github/workflows/installer.yml b/.github/workflows/installer.yml
index b3f8a11..5932c98 100644
--- a/.github/workflows/installer.yml
+++ b/.github/workflows/installer.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8, 3.9, 3.10, 3.11]
+        python-version: [3.8, 3.9, '3.10', '3.11']
       fail-fast: false
 
     steps: