diff --git a/README.md b/README.md
index 0c45e08..cf84fab 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 A web client for WeeChat
 ========================
 
+Required Weechat version: 0.4.2
+
 To use the web interface you first need to set a relay and a password:
 
 	/relay add weechat 9001