diff --git a/src/_layouts/default.html b/src/_layouts/default.html
index 90ceef6ec1..79fd7779b6 100644
--- a/src/_layouts/default.html
+++ b/src/_layouts/default.html
@@ -5,7 +5,7 @@
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/css/bootstrap.min.css" integrity="sha384-xOolHFLEh07PJGoPkLv1IbcEPTNtaed2xpHsD9ESMhqIYd0nLMwNLD69Npy4HI+N" crossorigin="anonymous">
   <link href="/assets/css/style.css" rel="stylesheet">
-  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/10.7.3/styles/monokai.min.css">
+  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/monokai.min.css">
   <link rel="apple-touch-icon" href="icon.png">
   <meta name="theme-color" content="#fafafa">
   <link href="https://fonts.googleapis.com/css?family=Asap" rel="stylesheet">
@@ -71,7 +71,7 @@
   <script src="https://cdn.jsdelivr.net/npm/jquery@3.5.1/dist/jquery.min.js" crossorigin="anonymous"></script>
   <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-Fy6S3B9q64WdZWQUiU+q4/2Lc9npb8tCaSX9FK7E8HnRr0Jz8D6OP9dO5Vg3Q9ct" crossorigin="anonymous"></script>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/anchor-js/4.3.1/anchor.min.js" integrity="sha512-zPB79j2C+3sFS9zcA3vg/z6bVKzJVEyu9pY5w89akQRys76zpAT2t6S3wZKla3QQ14O5l/Yt0RUQ/DHXx82Y5g==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/10.7.3/highlight.min.js"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>
   <script src="/assets/js/app.js"></script>
   <script src="/assets/js/search.js"></script>
 </body>