diff --git a/test/browser/index.html b/test/browser/index.html
index ceeb758..eabcb85 100644
--- a/test/browser/index.html
+++ b/test/browser/index.html
@@ -2,11 +2,11 @@
 <html>
   <head>
     <title>bigint-crypto-utils - Mocha Tests</title>
-    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/mocha/6.1.4/mocha.min.css">
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/mocha/6.2.1/mocha.min.css">
   </head>
   <body>
     <div id="mocha"></div>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/mocha/6.1.4/mocha.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/mocha/6.2.1/mocha.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/chai/4.2.0/chai.min.js"></script>
     <script>mocha.setup('bdd'); mocha.setup({ timeout: 90000 });</script>
     
