diff --git a/Admin/Installer.php b/Admin/Installer.php
index 036c96d..1020eae 100644
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -24,6 +24,6 @@ use phpOMS\Module\InstallerAbstract;
  * @link    https://orange-management.org
  * @since   1.0.0
  */
-class Installer extends InstallerAbstract
+final class Installer extends InstallerAbstract
 {
 }