diff --git a/_posts/12-05-01-Building-your-Application.md b/_posts/12-05-01-Building-your-Application.md
index be34a22..b08c2df 100644
--- a/_posts/12-05-01-Building-your-Application.md
+++ b/_posts/12-05-01-Building-your-Application.md
@@ -92,7 +92,7 @@ PHP.
 [Chef]: https://www.chef.io/
 [chef_vagrant_and_ec2]: https://web.archive.org/web/20190307220000/http://www.jasongrimes.org/2012/06/managing-lamp-environments-with-chef-vagrant-and-ec2-1-of-3/
 [Chef_cookbook]: https://github.com/chef-cookbooks/php
-[Chef_tutorial]: https://www.youtube.com/playlist?list=PL11cZfNdwNyPnZA9D1MbVqldGuOWqbumZ
+[Chef_tutorial]: https://www.youtube.com/playlist?list=PL11cZfNdwNyNYcpntVe6js-prb80LBZuc
 [apache_ant_tutorial]: https://code.tutsplus.com/tutorials/automate-your-projects-with-apache-ant--net-18595
 [Travis CI]: https://www.travis-ci.com/
 [Jenkins]: https://jenkins.io/