diff --git a/README.md b/README.md
index e889880..879068e 100644
--- a/README.md
+++ b/README.md
@@ -78,6 +78,7 @@ Additional functionality is supported with the presence of:
 
 * IO::Socket::SSL
 * Authen::SASL
+* Term::ReadLine::Gnu
 
 
 Development