diff --git a/_config.yml b/_config.yml
index 57b9aa7d8c..980875ec90 100644
--- a/_config.yml
+++ b/_config.yml
@@ -37,8 +37,8 @@ themes:           http://themes.getbootstrap.com
 
 cdn:
   # See https://www.srihash.org for info on how to generate the hashes
-  css:            https://cdn.rawgit.com/twbs/bootstrap/v4-dev/dist/css/bootstrap.css
-  css_hash:       "sha384-XXXXXXXX"
-  js:             https://cdn.rawgit.com/twbs/bootstrap/v4-dev/dist/js/bootstrap.js
-  js_hash:        "sha384-XXXXXXXX"
+  css:            https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.2/css/bootstrap.min.css
+  css_hash:       "sha384-y3tfxAZXuh4HwSYylfB+J125MxIs6mR5FOHamPBG064zB+AFeWH94NdvaCBm8qnd"
+  js:             https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.2/js/bootstrap.min.js
+  js_hash:        "sha384-vZ2WRJMwsjRMW/8U7i6PWi6AlO1L79snBrmgiDpgIWJ82z8eA5lenwvxbMV1PAh7"
   jquery:         https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js