diff --git a/README.md b/README.md
index a4c8fdf..ad99117 100644
--- a/README.md
+++ b/README.md
@@ -83,6 +83,8 @@ Support for these IRCds exist, but are not tested as frequently and thoroughly.
 * [InspIRCd](http://www.inspircd.org/) 2.2 (git master) - module `inspircd`
 * [IRCd-Hybrid](http://www.ircd-hybrid.org/) (8.2.x / svn trunk) - module `hybrid`
     - Note: for host changing support and optimal functionality, a `service{}` block / U-line should be added for PyLink on every IRCd across your network.
+* [ircd-ratbox](http://www.ratbox.org/) (3.x) - module `ratbox`
+    -
 * [juno-ircd](https://github.com/cooper/yiria) (11.x / janet) - module `ts6` (see [configuration example](https://github.com/cooper/juno/blob/master/doc/ts6.md#pylink))
 
 Other TS6 and P10 variations may work, but are not officially supported.