diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index d4435a8e0..bbbd9af7d 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -16,6 +16,8 @@ jobs:
         # Define jobs for all combinations of php, mariadb and extension, up to "include"
         # Tests will be performed for each combination
         # These can fail if "experimental" is true. Currently all must pass
+        php-version: ["5.4", "7.4"]
+        composer-json: ["composer.json", "composer-7.4.json"]
         mariadb-version: ["10.3"]
         extension: ["pdo_mysql"]
         experimental: [false]