diff --git a/index.html b/index.html
index f0dcf8e..4527bee 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,9 @@
 
 		<meta name="viewport" content="width=device-width, initial-scale=1">
 
+		<!-- Bootstrap requires jQuery -->
+		<script src="https://code.jquery.com/jquery-3.2.1.min.js" integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4=" crossorigin="anonymous"></script>
+
 		<!-- Latest compiled and minified CSS -->
 		<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">