diff --git a/examples/mapping/index.html b/examples/mapping/index.html
index 393720f..258efec 100644
--- a/examples/mapping/index.html
+++ b/examples/mapping/index.html
@@ -5,7 +5,7 @@
     <title></title>
     <script src="https://d3js.org/d3.v5.min.js" charset="utf-8"></script>
     <!--  this loads the data of the various country boundires -->
-    <script src="https://cdn.rawgit.com/mahuntington/mapping-demo/master/map_data3.js" charset="utf-8"></script>
+    <script src="https://cdn.jsdelivr.net/gh/mahuntington/mapping-demo@master/map_data3.js" charset="utf-8"></script>
 </head>
 <body>
     <svg></svg>
