diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 031b1c10f..d35675ac8 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -20,7 +20,7 @@ jobs:
       matrix:
         php-versions: ['8.0']
         databases: ['sqlite']
-        server-versions: ['master', 'stable27', 'stable26', 'stable25']
+        server-versions: ['master', 'stable28', 'stable27', 'stable26', 'stable25']
         include:
           - php-versions: '7.4'
             server-versions: stable25