diff --git a/CRM/Core/Resources.php b/CRM/Core/Resources.php
index 288a960ffb9b37f819beff473a95feff0b08187c..581447c2b638f076ec39d8b293117bde9aba83fe 100644
--- a/CRM/Core/Resources.php
+++ b/CRM/Core/Resources.php
@@ -743,6 +743,7 @@ class CRM_Core_Resources {
       "bower_components/datatables/media/js/jquery.dataTables.min.js",
       "bower_components/datatables/media/css/jquery.dataTables.min.css",
       "bower_components/jquery-validation/dist/jquery.validate.min.js",
+      "bower_components/jquery-validation/dist/additional-methods.min.js",
       "packages/jquery/plugins/jquery.ui.datepicker.validation.min.js",
       "js/Common.js",
       "js/crm.datepicker.js",