diff --git a/layouts/partials/header/styles-highlight.html b/layouts/partials/header/styles-highlight.html
index b00a615..06264ce 100644
--- a/layouts/partials/header/styles-highlight.html
+++ b/layouts/partials/header/styles-highlight.html
@@ -1,7 +1,7 @@
 {{ if .Site.Params.highlightjs }}
 {{ if or (not (isset .Params "highlight")) (.Params.highlight) }}
 <!-- highlightjs -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/{{ .Site.Params.highlightjsstyle | default "default" }}.min.css">
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.4.0/styles/{{ .Site.Params.highlightjsstyle | default "default" }}.min.css">
 {{ end }}
 {{ end }}
 {{ if .Site.Params.PygmentsUseClasses }}
diff --git a/layouts/partials/highlight-js.html b/layouts/partials/highlight-js.html
index e20528b..e236f8f 100644
--- a/layouts/partials/highlight-js.html
+++ b/layouts/partials/highlight-js.html
@@ -1,10 +1,10 @@
 {{- if (.Site.Params.highlightjs) -}}
 {{ if (or (not (isset .Params "highlight")) (and (isset .Params "highlight") .Params.highlight)) }}
     {{ $.Scratch.Set "hl_languages" (union (.Site.Params.highlightjslanguages) (.Params.highlightjslanguages)) }}
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.13.1/highlight.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.4.0/highlight.min.js"></script>
         {{ with $.Scratch.Get "hl_languages" }}
             {{ range . }}
-                <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.13.1/languages/{{.}}.min.js"></script>
+                <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.4.0/languages/{{.}}.min.js"></script>
             {{ end }}
         {{ end }}
     <script type="text/javascript">