diff --git a/.github/workflows/push-test-deploy.yml b/.github/workflows/push-test-deploy.yml
index e8721e8..23eb7a8 100644
--- a/.github/workflows/push-test-deploy.yml
+++ b/.github/workflows/push-test-deploy.yml
@@ -31,7 +31,7 @@ jobs:
           - php: 7.2
             wp: 5.1
           - php: 7.2
-            wp: 5.0
+            wp: '5.0'
 
     name: PHP ${{ matrix.php }} / WP ${{ matrix.wp }} Test
     steps: