diff --git a/.github/workflows/code_quality.yml b/.github/workflows/code_quality.yml
index 6bfed2f..9df5ad6 100644
--- a/.github/workflows/code_quality.yml
+++ b/.github/workflows/code_quality.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
             matrix:
-                php: 8.3
+                php: ['8.3']
     steps:
       - uses: actions/checkout@v3
       - uses: shivammathur/setup-php@v2