diff --git a/core/core.libraries.yml b/core/core.libraries.yml
index cd41dd64627..4ac68144956 100644
--- a/core/core.libraries.yml
+++ b/core/core.libraries.yml
@@ -145,6 +145,7 @@ drupal.date:
   dependencies:
     - core/drupal
     - core/modernizr
+    - core/jquery.once
     - core/jquery.ui.datepicker
 
 drupal.debounce: