diff --git a/tests/Admin/AdminTest.php b/tests/Admin/AdminTest.php
index 45120d0..4baf3ed 100755
--- a/tests/Admin/AdminTest.php
+++ b/tests/Admin/AdminTest.php
@@ -17,7 +17,7 @@ namespace Modules\Draw\tests\Admin;
 /**
  * @internal
  */
-class AdminTest extends \PHPUnit\Framework\TestCase
+final class AdminTest extends \PHPUnit\Framework\TestCase
 {
     protected const NAME = 'Draw';
 
diff --git a/tests/ControllerTest.php b/tests/ControllerTest.php
index d6280d3..b456ffc 100755
--- a/tests/ControllerTest.php
+++ b/tests/ControllerTest.php
@@ -32,7 +32,7 @@ use phpOMS\Utils\TestUtils;
 /**
  * @internal
  */
-class ControllerTest extends \PHPUnit\Framework\TestCase
+final class ControllerTest extends \PHPUnit\Framework\TestCase
 {
     protected $app    = null;