diff --git a/nextcloud_mcp_server/auth/templates/user_info.html b/nextcloud_mcp_server/auth/templates/user_info.html
index 25f527b..fee96ff 100644
--- a/nextcloud_mcp_server/auth/templates/user_info.html
+++ b/nextcloud_mcp_server/auth/templates/user_info.html
@@ -10,7 +10,7 @@
     <script defer src="https://cdn.jsdelivr.net/npm/alpinejs@3.x.x/dist/cdn.min.js"></script>
 
     <!-- Plotly.js for vector visualization -->
-    <script src="https://cdn.plot.ly/plotly-3.3.0.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/plotly.js/3.1.1/plotly.min.js"></script>
 
     <!-- Vector Viz static assets -->
     <link rel="stylesheet" href="/app/static/vector-viz.css">