diff --git a/index.html b/index.html
index 893ad5d..c227903 100644
--- a/index.html
+++ b/index.html
@@ -8,8 +8,10 @@
         body { margin: 0; overflow: hidden; }
         canvas { display: block; }
     </style>
+    <!-- CDN de Three.js -->
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/0.138.3/three.min.js"></script>
 </head>
 <body>
-    <script type="module" src="./js/main.js"></script>
+    <script src="./js/lobby.js"></script>
 </body>
 </html>
