diff --git a/index/index.html b/index/index.html
index e6a7bbb..4c5f95d 100644
--- a/index/index.html
+++ b/index/index.html
@@ -231,7 +231,7 @@
   <script type="text/javascript" src="js/popper.min.js"></script>
   <script type="text/javascript" src="js/bootstrap.min.js"></script>
   <script type="text/javascript" src="js/mdb.min.js"></script>
-  <script src="https://cdn.rawgit.com/google/code-prettify/master/loader/run_prettify.js"></script>
+  <script src="https://cdn.jsdelivr.net/gh/google/code-prettify@master/loader/run_prettify.js"></script>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.4.1/ace.js"></script>
   <script type="text/javascript" src="js/db.js"></script>
   <script type="text/javascript" src="js/style.js"></script>