diff --git a/core/tests/Drupal/Tests/Core/Access/CsrfTokenGeneratorTest.php b/core/tests/Drupal/Tests/Core/Access/CsrfTokenGeneratorTest.php
index 7736a7f..b3d386d 100644
--- a/core/tests/Drupal/Tests/Core/Access/CsrfTokenGeneratorTest.php
+++ b/core/tests/Drupal/Tests/Core/Access/CsrfTokenGeneratorTest.php
@@ -11,7 +11,7 @@
 use Drupal\Tests\UnitTestCase;
 use Drupal\Core\Access\CsrfTokenGenerator;
 use Drupal\Component\Utility\Crypt;
-use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\RequestStack;
 
 /**
  * Tests the CSRF token generator.