diff --git a/core/tests/Drupal/Tests/Core/Access/CsrfAccessCheckTest.php b/core/tests/Drupal/Tests/Core/Access/CsrfAccessCheckTest.php
index c9aaa94..dedbd4f 100644
--- a/core/tests/Drupal/Tests/Core/Access/CsrfAccessCheckTest.php
+++ b/core/tests/Drupal/Tests/Core/Access/CsrfAccessCheckTest.php
@@ -11,6 +11,7 @@
 use Symfony\Component\Routing\Route;
 use Drupal\Core\Access\CsrfAccessCheck;
 use Drupal\Core\Access\AccessInterface;
+use Drupal\Core\Access\AccessManager;
 use Drupal\Tests\UnitTestCase;
 
 /**