diff --git a/static/index.html b/static/index.html
index 91ea117..2d012d3 100644
--- a/static/index.html
+++ b/static/index.html
@@ -24,9 +24,9 @@
     <script src="js/lib/moment.min.js"></script>
 
     <!-- main module -->
-    <script src="js/main.js" type="module"></script>
+    <script src="js/main.js?v=1.0" type="module"></script>
 
     <!-- no modules -->
-    <script src="js/bundle.js" nomodule></script>
+    <script src="js/bundle.js?v=1.0" nomodule></script>
   </body>
 </html>