diff --git a/themes/vanilla/layouts/partials/head.html b/themes/vanilla/layouts/partials/head.html
index be5859a..36c80d0 100644
--- a/themes/vanilla/layouts/partials/head.html
+++ b/themes/vanilla/layouts/partials/head.html
@@ -13,7 +13,9 @@
     <link rel="stylesheet" href="{{ $sidenotes.Permalink }}">
     <link rel="icon" type="image/png" href="{{ $icon.Permalink }}">
 
-    <script src='https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-MML-AM_CHTML' async></script>
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.css" integrity="sha384-zB1R0rpPzHqg7Kpt0Aljp8JPLqbXI3bhnPWROx27a9N0Ll6ZP/+DiW/UqRcLbRjq" crossorigin="anonymous">
+    <script defer src="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.js" integrity="sha384-y23I5Q6l+B6vatafAwxRu/0oK/79VlbSz7Q9aiSZUvyWYIYsd+qj+o24G5ZU2zJz" crossorigin="anonymous"></script>
+    <script defer src="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/contrib/auto-render.min.js" integrity="sha384-kWPLUVMOks5AQFrykwIup5lo0m3iMkkHrD0uJ4H5cjeGihAutqP0yW0J6dpFiVkI" crossorigin="anonymous" onload="renderMathInElement(document.body);"></script>
     {{ template "_internal/google_analytics.html" . }}
 
     <title>{{ .Title }}</title>