diff --git a/templates/system/element/details.html.twig b/templates/system/element/details.html.twig
index d2465e2..6a80e74 100644
--- a/templates/system/element/details.html.twig
+++ b/templates/system/element/details.html.twig
@@ -16,7 +16,7 @@
  * @ingroup themeable
  */
 #}
-<ul class="usa-accordion usa-accordion--bordered add-list-reset">
+<ul class="usa-accordion usa-accordion--bordered add-list-reset" {{ attributes }}>
   {%
     set summary_classes = [
       required ? 'js-form-required',