diff --git a/assets/js/core.js b/assets/js/core.js
index c9ce2c0f96..490871e821 100644
--- a/assets/js/core.js
+++ b/assets/js/core.js
@@ -25,6 +25,9 @@ function toArrayBuffer(buffer) {
   );
 }
 
+// arbitrary comment to trigger re-cache
+(() => {})();
+
 // load jQuery and Bootstrap
 // <https://stackoverflow.com/a/34340392>
 // <https://github.com/FezVrasta/popper.js/issues/287#issuecomment-321887784>