diff --git a/layouts/partials/footer.html b/layouts/partials/footer.html
index 0bbc76f..11fb1d3 100644
--- a/layouts/partials/footer.html
+++ b/layouts/partials/footer.html
@@ -3,9 +3,9 @@
 
 {{ with .Site.Params.extra }}
 {{ if .highlightjs }}
-<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.11.1/highlight.min.js"></script>
 {{ range .highlightjslanguages }}
-<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/languages/{{.}}.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.11.1/languages/{{.}}.min.js"></script>
 {{ end }}
 
 <script>hljs.highlightAll();</script>
diff --git a/layouts/partials/header.html b/layouts/partials/header.html
index f8d12e1..a91cc80 100644
--- a/layouts/partials/header.html
+++ b/layouts/partials/header.html
@@ -24,7 +24,7 @@
         {{ end -}}
 
         {{ if .Site.Params.extra.highlightjs }}
-        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/default.min.css">
+        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.11.1/styles/default.min.css">
         {{ end }}
 
         <link rel="stylesheet"