diff --git a/docs/index.html b/docs/index.html
index fa022e9c..9a7bafbf 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -54,7 +54,7 @@
         ]
     }
 </script>
-<script src="//unpkg.com/docsify/lib/docsify.min.js"></script>
+<script src="https://cdn.bootcss.com/docsify/4.6.10/docsify.min.js"></script>
 <script src="//unpkg.com/docsify/lib/plugins/search.js"></script>
 <script src="//unpkg.com/docsify/lib/plugins/zoom-image.js"></script>
 <script src="//unpkg.com/prismjs/components/prism-python.min.js"></script>