diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/TaxonomyRouteController.php b/core/modules/taxonomy/lib/Drupal/taxonomy/TaxonomyRouteController.php
index 4b7fac0..a7df89a 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/TaxonomyRouteController.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/TaxonomyRouteController.php
@@ -9,6 +9,7 @@
 
 use Symfony\Component\DependencyInjection\ContainerAware;
 use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpFoundation\Response;
 
 /**
  * Controller routines for taxonomy routes.