diff --git a/README.md b/README.md
index 2821400..abb12d5 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,12 @@ Pantalaimon can also be found on pypi:
 
     pip install pantalaimon
 
+Pantalaimon contains a dbus based UI that can be used to controll the daemon.
+The dbus based UI is completely optional and needs to be installed with the
+daemon:
+
+    pip install pantalaimon[ui]
+
 Do note that man pages can't be installed with pip.
 
 ### macOS installation