diff --git a/javanano/README.md b/javanano/README.md
index e19b90b1..6b13ecea 100644
--- a/javanano/README.md
+++ b/javanano/README.md
@@ -7,6 +7,9 @@ Copyright 2008 Google Inc.
 
 This directory contains the Java Protocol Buffers Nano runtime library.
 
+**Nano is no longer supported by protobuf team. We recommend Android users to
+use protobuf lite runtime instead.**
+
 Installation - With Maven
 -------------------------