diff --git a/layouts/partials/mathjax.html b/layouts/partials/mathjax.html
index 496994b..4c73140 100644
--- a/layouts/partials/mathjax.html
+++ b/layouts/partials/mathjax.html
@@ -17,5 +17,5 @@
     });
 
 </script>
-<script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
+<script src="https://cdnjs.cloudflare.com/polyfill/v3/polyfill.min.js?features=es6"></script>
 <script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>