diff --git a/docroot/core/includes/form.inc b/docroot/core/includes/form.inc
index 755ee81..1a7e45d 100644
--- a/docroot/core/includes/form.inc
+++ b/docroot/core/includes/form.inc
@@ -11,6 +11,7 @@
 use Drupal\Core\Template\Attribute;
 use Drupal\Core\Url;
 use Symfony\Component\HttpFoundation\RedirectResponse;
+use Drupal\Component\Utility\Xss;
 
 /**
  * Prepares variables for select element templates.