diff --git a/4-Beyond-Classical-Search/index.html b/4-Beyond-Classical-Search/index.html
index cb1f079..0d28179 100644
--- a/4-Beyond-Classical-Search/index.html
+++ b/4-Beyond-Classical-Search/index.html
@@ -5,7 +5,7 @@
   <title>4 Beyond Classical Search</title>
   <link rel="stylesheet" href="../styles.css">
   <link rel="stylesheet" href="main.css" charset="utf-8">
-  <script src="http://code.jquery.com/jquery-1.12.4.js"></script>
+  <script src="https://code.jquery.com/jquery-1.12.4.js"></script>
   <script type="text/javascript" src="../main.js"></script>
 
   <script src="https://cdnjs.cloudflare.com/ajax/libs/two.js/0.6.0/two.min.js"></script>