diff --git a/index.html b/index.html
index 7f5dfb6..894caf3 100644
--- a/index.html
+++ b/index.html
@@ -13,6 +13,6 @@
   </head>
   <body>
     <div id="app"></div>
-    <script type="module" src="/src/main.js"></script>
+    <script type="module" src="/src/main.mjs"></script>
   </body>
 </html>
diff --git a/src/main.js b/src/main.mjs
similarity index 100%
rename from src/main.js
rename to src/main.mjs
