diff --git a/src/Tests/RedisLockFunctionalTest.php b/src/Tests/RedisLockFunctionalTest.php
index 3e9b032..fdf2618 100644
--- a/src/Tests/RedisLockFunctionalTest.php
+++ b/src/Tests/RedisLockFunctionalTest.php
@@ -4,7 +4,7 @@ namespace Drupal\redis\Tests;
 
 use Drupal\Component\Utility\OpCodeCache;
 use Drupal\Core\Site\Settings;
-use Drupal\system\Tests\Lock\LockFunctionalTest;
+use Drupal\Tests\system\Functional\Lock\LockFunctionalTest;
 
 /**
  * Confirm locking works between two separate requests.