diff --git a/site/docs/layouts/partials/footer.html b/site/docs/layouts/partials/footer.html
index 6b8d6a3..14fa434 100644
--- a/site/docs/layouts/partials/footer.html
+++ b/site/docs/layouts/partials/footer.html
@@ -44,8 +44,7 @@
     Policy</a>.</p>
 </footer>
 
-<script type="text/javascript"
-  src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
+<script type="text/javascript" id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
 <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/wavedrom/2.1.2/skins/default.js"></script>
 <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/wavedrom/2.1.2/wavedrom.js"></script>
 <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/markdown-it/10.0.0/markdown-it.min.js"></script>