diff --git a/README.md b/README.md
index 3ded673..066b9ff 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,9 @@ A very simple Babel Web for babeld v1.8
 
 ## index.php
 The php version for gateways
+### Requirements
+* php
+* netcat-openbsd (ipv6) 
 
 ## babel.html
 The haserl version for slim devices without php