diff --git a/_includes/head.html b/_includes/head.html
index 59566ad88..c0d22286e 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -22,6 +22,12 @@
     <link rel="stylesheet" href="vendor/simple-line-icons/css/simple-line-icons.css">
     <link rel="stylesheet" href="vendor/device-mockups/device-mockups.min.css">
 
+    
+    <script
+  src="https://code.jquery.com/jquery-3.2.1.min.js"
+  integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4="
+  crossorigin="anonymous"></script>
+    
     <!-- Custom CSS
     <link rel="stylesheet" href="css/main.css" type="text/css"> -->
     <link href="css/main.css" rel="stylesheet">