diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 6e0f6dd98..0d48159b2 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -89,7 +89,7 @@ jobs:
       matrix:
         php-versions: ['7.3', '7.4']
         databases: ['mysql']
-        server-versions: ['master']
+        server-versions: ['stable22', 'master']
   
     name: php${{ matrix.php-versions }}-${{ matrix.databases }}-${{ matrix.server-versions }}