diff --git a/core/tests/Drupal/Tests/ComposerIntegrationTest.php b/core/tests/Drupal/Tests/ComposerIntegrationTest.php
index 5ab72f636ac2a66f7e594d74123214689b634b0f..80a18b65137d185c05c714bacb88debf98cc195e 100644
--- a/core/tests/Drupal/Tests/ComposerIntegrationTest.php
+++ b/core/tests/Drupal/Tests/ComposerIntegrationTest.php
@@ -64,6 +64,7 @@ protected function getPaths() {
       $this->root . '/core/lib/Drupal/Component/Serialization',
       $this->root . '/core/lib/Drupal/Component/Transliteration',
       $this->root . '/core/lib/Drupal/Component/Utility',
+      $this->root . '/core/lib/Drupal/Component/Uuid',
     ];
   }