diff --git a/.github/workflows/phpunit-mysql.yml b/.github/workflows/phpunit-mysql.yml
index 39234a13..3a4eb733 100644
--- a/.github/workflows/phpunit-mysql.yml
+++ b/.github/workflows/phpunit-mysql.yml
@@ -38,7 +38,7 @@ jobs:
 
     strategy:
       matrix:
-        php-versions: ['8.0', '8.1', '8.2']
+        php-versions: ['8.0', '8.1', '8.2', '8.3']
         server-versions: ['master']
 
     services:
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 6865700d..2152a1c5 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: ['stable25', 'stable26', 'stable27', 'master']
+        server-versions: ['stable25', 'stable26', 'stable27', 'stable28', 'master']
 
     name: php${{ matrix.php-versions }}-${{ matrix.databases }}-${{ matrix.server-versions }}