diff --git a/index.html b/index.html
index 9305903..6aec91b 100644
--- a/index.html
+++ b/index.html
@@ -43,6 +43,6 @@
       ]
     }
   </script>
-  <script src="https://unpkg.com/docsify/lib/docsify.min.js"></script>
+  <script src="https://unpkg.com/docsify@4.7.1/lib/docsify.min.js"></script>
 </body>
 </html>