diff --git a/templates/libs/hljs_footer.html b/templates/libs/hljs_footer.html
index 84f5398..314111b 100644
--- a/templates/libs/hljs_footer.html
+++ b/templates/libs/hljs_footer.html
@@ -1,4 +1,4 @@
-<script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/highlight.min.js"></script>
+<script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>
 <script src="//unpkg.com/highlightjs-copy/dist/highlightjs-copy.min.js"></script>
 <script src="//cdnjs.cloudflare.com/ajax/libs/highlightjs-line-numbers.js/2.8.0/highlightjs-line-numbers.min.js"></script>
 <script src="/js/libs/hljs.js"></script>
diff --git a/templates/libs/hljs_head.html b/templates/libs/hljs_head.html
index 6dfd659..14a3918 100644
--- a/templates/libs/hljs_head.html
+++ b/templates/libs/hljs_head.html
@@ -1,12 +1,12 @@
 <link
   id="hljs-light-theme"
   rel="stylesheet"
-  href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/styles/base16/solarized-light.min.css"
+  href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/base16/solarized-light.min.css"
 />
 <link
   id="hljs-dark-theme"
   rel="stylesheet"
-  href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/styles/base16/dracula.min.css"
+  href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/base16/dracula.min.css"
 />
 <link
   rel="stylesheet"