diff --git a/README.md b/README.md
index f63ce726..7e47cb58 100644
--- a/README.md
+++ b/README.md
@@ -109,6 +109,10 @@ This will start up a web server (WEBrick) running Gollum with a web interface, w
 
 Gollum can also be ran with any [rack-compatible web server](https://github.com/rack/rack#supported-web-servers). More on that [over here](https://github.com/gollum/gollum/wiki/Gollum-via-Rack).
 
+### Rack, with an authentication server
+
+Gollum can also be ran alongside a CAS (Central Authentication Service) SSO (single sign-on) server. With a bit of tweaking, this adds basic user-support to Gollum. To see an example and an explanation, navigate [over here](https://github.com/gollum/gollum/wiki/Gollum-via-Rack-and-CAS-SSO).
+
 ### Docker
 
 Gollum can also be ran via [Docker](https://www.docker.com/). More on that [over here](https://github.com/gollum/gollum/wiki/Gollum-via-Docker).