diff --git a/src/main/webapp/samples.html b/src/main/webapp/samples.html
index a70d21e0..a1dc1020 100644
--- a/src/main/webapp/samples.html
+++ b/src/main/webapp/samples.html
@@ -4,7 +4,7 @@
 <title>Ant Media Server WebRTC Publish</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta charset="UTF-8">
-<link rel="stylesheet" href="css/external/bootstrap4/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
+<link rel="stylesheet" href="css/external/bootstrap4/bootstrap.min.css" integrity="sha384-xOolHFLEh07PJGoPkLv1IbcEPTNtaed2xpHsD9ESMhqIYd0nLMwNLD69Npy4HI+N" crossorigin="anonymous">
 
 <script src="js/external/adapter-latest.js"></script>