diff --git a/Controller.php b/Controller.php
index 50d3853..8b65355 100644
--- a/Controller.php
+++ b/Controller.php
@@ -46,7 +46,7 @@ use Modules\Kanban\Models\BoardStatus;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-class Controller extends ModuleAbstract implements WebInterface
+final class Controller extends ModuleAbstract implements WebInterface
 {
 
     /**