diff --git a/view/view_payman.example.php b/view/view_payman.example.php
index b8f0965..4bceffc 100644
--- a/view/view_payman.example.php
+++ b/view/view_payman.example.php
@@ -6,7 +6,9 @@
 	</head>
 	<body>
 		<div id="area_payman"></div> <!-- payman widget -->
-
+		<script src="https://code.jquery.com/jquery-3.3.1.min.js"
+			integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
+			crossorigin="anonymous"></script>
 		<script src="<?php echo base_url(); ?>/assets/js/payman.js"></script>
 		<script type="text/javascript">
 		// load payman widget
