diff --git a/mapproxy/src/mapproxy/browser2d/index.html b/mapproxy/src/mapproxy/browser2d/index.html
index 446e2ad..50bd672 100644
--- a/mapproxy/src/mapproxy/browser2d/index.html
+++ b/mapproxy/src/mapproxy/browser2d/index.html
@@ -6,7 +6,7 @@
 
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
-    <link rel="stylesheet" href="https://unpkg.com/leaflet@1.0.1/dist/leaflet.css" />
+    <link rel="stylesheet" href="https://unpkg.com/leaflet@1.2.0/dist/leaflet.css" />
     <script src="https://unpkg.com/leaflet@1.0.1/dist/leaflet.js"></script>
     <script src="index.js"></script>
 </head>