diff --git a/core/modules/file/src/Plugin/rest/resource/FileUploadResource.php b/core/modules/file/src/Plugin/rest/resource/FileUploadResource.php
index d46a8b20b0c..e650ed145da 100644
--- a/core/modules/file/src/Plugin/rest/resource/FileUploadResource.php
+++ b/core/modules/file/src/Plugin/rest/resource/FileUploadResource.php
@@ -24,7 +24,6 @@ use Drupal\rest\Plugin\rest\resource\EntityResourceValidationTrait;
 use Drupal\rest\RequestHandler;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
-use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
 use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
@@ -33,6 +32,7 @@ use Symfony\Component\Mime\MimeTypeGuesserInterface;
 use Symfony\Component\Routing\Route;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Exception\HttpException;
+use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
 
 /**
  * File upload resource.
@@ -131,7 +131,7 @@ class FileUploadResource extends ResourceBase {
   /**
    * The event dispatcher to dispatch the filename sanitize event.
    *
-   * @var \Symfony\Component\EventDispatcher\EventDispatcherInterface
+   * @var \Symfony\Contracts\EventDispatcher\EventDispatcherInterface
    */
   protected $eventDispatcher;
 
@@ -164,7 +164,7 @@ class FileUploadResource extends ResourceBase {
    *   The lock service.
    * @param \Drupal\Core\Config\Config $system_file_config
    *   The system file configuration.
-   * @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $event_dispatcher
+   * @param \Symfony\Contracts\EventDispatcher\EventDispatcherInterface $event_dispatcher
    *   The event dispatcher service.
    */
   public function __construct(array $configuration, $plugin_id, $plugin_definition, $serializer_formats, LoggerInterface $logger, FileSystemInterface $file_system, EntityTypeManagerInterface $entity_type_manager, EntityFieldManagerInterface $entity_field_manager, AccountInterface $current_user, $mime_type_guesser, Token $token, LockBackendInterface $lock, Config $system_file_config, EventDispatcherInterface $event_dispatcher = NULL) {