diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index f89f7d9..798170e 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -8,7 +8,7 @@
 
     <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Inconsolata:wght@400;700&family=Raleway&family=Lora&display=block" media="screen"> 
     <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css" media="screen">
-    <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/katex@0.15.3/dist/katex.min.css" integrity="sha384-zB1R0rpPzHqg7Kpt0Aljp8JPLqbXI3bhnPWROx27a9N0Ll6ZP/+DiW/UqRcLbRjq" crossorigin="anonymous" media="screen">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.css" integrity="sha384-zB1R0rpPzHqg7Kpt0Aljp8JPLqbXI3bhnPWROx27a9N0Ll6ZP/+DiW/UqRcLbRjq" crossorigin="anonymous" media="screen">
     {{ range .AlternativeOutputFormats -}}
     <link rel="{{ .Rel }}" type="{{ .MediaType.Type | html }}" href="{{ .Permalink | safeURL }}">
     {{ end -}}