diff --git a/readme.md b/readme.md
index 6b5859b..d9984d8 100644
--- a/readme.md
+++ b/readme.md
@@ -162,6 +162,7 @@ Please read our [code of conduct](https://github.com/tachyons-css/tachyons/blob/
 * http://mrmrs.io/writing
 * http://mrmrs.cc
 * https://fontawesome.com
+* https://github.com/pedroborges/xml-sitemap-stylesheet
 
 And of course...
 * http://tachyons.io