diff --git a/docs/_includes/scripts.html b/docs/_includes/scripts.html
index 2c5417e..4ac7039 100644
--- a/docs/_includes/scripts.html
+++ b/docs/_includes/scripts.html
@@ -1,7 +1,7 @@
{% if page.requirejs %}
{% else %}
-
+
diff --git a/docs/js/require-main.js b/docs/js/require-main.js
index e0f2f59..edb4de9 100644
--- a/docs/js/require-main.js
+++ b/docs/js/require-main.js
@@ -2,7 +2,7 @@ requirejs.config({
baseUrl: window.site_url + '/js',
paths: {
shufflejs: '../dist/shuffle',
- polyfill: 'https://unpkg.com/core-js/client/shim.min',
+ polyfill: 'https://polyfill.io/v3/polyfill.min.js?features=default%2Ces5%2Ces6%2Ces7',
},
// Load the polyfill before Shuffle.