diff --git a/demo/demo.html b/demo/demo.html
index a01f46c..d73416f 100644
--- a/demo/demo.html
+++ b/demo/demo.html
@@ -12,8 +12,8 @@
 
 <!--vendor-->
 <script src="https://code.jquery.com/jquery-2.2.4.min.js"></script>
-<link rel="stylesheet" href="https://npmcdn.com/leaflet@0.7.7/dist/leaflet.css" />
-<script src="https://npmcdn.com/leaflet@0.7.7/dist/leaflet.js"></script>
+<link rel="stylesheet" href="https://unpkg.com/leaflet@0.7.7/dist/leaflet.css" />
+<script src="https://unpkg.com/leaflet@0.7.7/dist/leaflet.js"></script>
 
 <!--wind-js-leaflet-->
 <link rel="stylesheet" href="/wind-js-leaflet/dist/wind-js-leaflet.css" />