0.4.0 release information
diff --git a/README.md b/README.md
index 6566db4..d5814c3 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,9 @@
 
 ## Versions
 
-### develop
+### v0.4.0
+
+- Compatible with Apache PredictionIO 0.10.0-incubating
 
 ### v0.3.2