diff --git a/book/security.rst b/book/security.rst
index d0840794127..bdeaefbaa26 100644
--- a/book/security.rst
+++ b/book/security.rst
@@ -184,6 +184,7 @@ example, if you use annotations, create something like this::
     // ...
 
     use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
+    use Symfony\Bundle\FrameworkBundle\Controller\Controller;
     use Symfony\Component\HttpFoundation\Response;
 
     class DefaultController extends Controller