diff --git a/wmfsm/README b/wmfsm/README
index 38791da..11f1b9a 100644
--- a/wmfsm/README
+++ b/wmfsm/README
@@ -1,3 +1,7 @@
+Requirements:
+libdockapp (at least version 0.7.0)
+http://windowmaker.org/dockapps/?name=libdockapp
+
 Installation:
 autoreconf -i
 ./configure