diff --git a/confo.html b/confo.html
index 5b9e4f1..04193be 100644
--- a/confo.html
+++ b/confo.html
@@ -9,7 +9,7 @@
     <link rel="stylesheet" href="css/font-awesome.min.css">
     <script type="text/javascript" src="js/jquery-3.2.1.min.js"></script>
     <script type="text/javascript" src="js/tether.min.js"></script>
-    <script type="text/javascript" src="js/bootstrap.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.min.js" integrity="sha384-cVKIPhGWiC2Al4u+LWgxfKTRIcfu0JTxR+EQDz/bgldoEyl4H0zUF0QKbrJ0EcQF" crossorigin="anonymous"></script>
     <script type="text/javascript" src="js/EnxRtc.js"></script>
     <script type="text/javascript" src="js/util.js"></script>
     <script type="text/javascript" src="js/confo.js"></script>