diff --git a/index.html b/index.html
index 6f9930e..57a7916 100644
--- a/index.html
+++ b/index.html
@@ -9,6 +9,6 @@
 </head>
 <body>
 <div id="app"></div>
-  <script src="index.ts"></script>
+  <script type="module" src="index.ts"></script>
 </body>
 </html>
