diff --git a/wwwroot/workbench/workbench.html b/wwwroot/workbench/workbench.html
index cbde91e..479e2ee 100644
--- a/wwwroot/workbench/workbench.html
+++ b/wwwroot/workbench/workbench.html
@@ -61,6 +61,6 @@
     <div id="msg"></div>
   </div>
 </main>
-<script src="workbench.js"></script>
+<script src="workbench.js?v=20260830b"></script>
 </body>
 </html>