diff --git a/core/modules/help/lib/Drupal/help/Controller/HelpController.php b/core/modules/help/lib/Drupal/help/Controller/HelpController.php
index 6b753f5..fcae111 100644
--- a/core/modules/help/lib/Drupal/help/Controller/HelpController.php
+++ b/core/modules/help/lib/Drupal/help/Controller/HelpController.php
@@ -9,6 +9,7 @@
 use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\Core\Controller\ContainerFactoryControllerInterface;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
  * Controller routines for help routes.