diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index accc7828d..1182a1051 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -20,9 +20,9 @@ jobs:
         extension: ["pdo_mysql"]
         experimental: [false]
         include:
-          - php-version: 5.4
+          - php-version: "5.4"
             #composer-json: "composer.json"
-          #- php-version: 7.4
+          - php-version: "7.4"
             #composer-json: "composer-7.4.json"
 
     services: