diff --git a/docs/index.html b/docs/index.html
index 6486e05..9da9703 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -25,7 +25,10 @@
       sidebarDisplayLevel: 1,
     };
   </script>
+  <script src="//cdn.jsdelivr.net/npm/docsify/lib/docsify.min.js"></script>
 
-  <script src="//cdn.jsdelivr.net/npm/docsify@4/lib/docsify.min.js"></script>
+<script src="//cdn.jsdelivr.net/npm/docsify-sidebar-collapse/dist/docsify-sidebar-collapse.min.js"></script>
+
+<link rel="stylesheet" href="//cdn.jsdelivr.net/npm/docsify-sidebar-collapse/dist/sidebar.min.css" />
 </body>
 </html>