diff --git a/R-package/DESCRIPTION b/R-package/DESCRIPTION
index e1383d3ad..0a183cbe7 100644
--- a/R-package/DESCRIPTION
+++ b/R-package/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: xgboost
 Type: Package
 Title: eXtreme Gradient Boosting
-Version: 0.3-4
+Version: 0.4-0
 Date: 2014-12-28
 Author: Tianqi Chen <tianqi.tchen@gmail.com>, Tong He <hetong007@gmail.com>, Michael Benesty <michael@benesty.fr>
 Maintainer: Tong He <hetong007@gmail.com>