diff --git a/index.html b/index.html
index f3b3da8..7136874 100644
--- a/index.html
+++ b/index.html
@@ -6,7 +6,7 @@
 <title>Comprehensive Python Cheatsheet</title>
 
 
-<script src="http://code.jquery.com/jquery-3.3.1.min.js"></script>
+<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
 <!-- <script src="https://cdn.rawgit.com/google/code-prettify/master/loader/run_prettify.js?lang=python&amp;skin=desert&amp;autorun=false"></script> -->
 <script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script>