diff --git a/docs/index.html b/docs/index.html
index b0b73f8..e235887 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -6,7 +6,7 @@
   <meta name="viewport" content="width=device-width,user-scalable=no,maximum-scale=1,minimum-scale=1">
   <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.0/normalize.min.css" type="text/css">
   <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/github-fork-ribbon-css/0.2.2/gh-fork-ribbon.min.css">
-  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/dropzone/5.4.0/min/dropzone.min.css" type="text/css">
+  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/dropzone/5.9.2/min/dropzone.min.css" type="text/css">
 
   <style type="text/css">
     * { box-sizing: border-box; }
@@ -347,7 +347,7 @@ <h4>Rotated Image</h4>
     imageEl.src = blobUrl;
   }
 </script>
-<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/dropzone/5.4.0/min/dropzone.min.js"></script>
+<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/dropzone/5.9.2/min/dropzone.min.js"></script>
 <script type="text/javascript">
   Dropzone.autoDiscover = false;
   const dropzone = new Dropzone("#dropzone", {