diff --git a/R-package/DESCRIPTION b/R-package/DESCRIPTION
index f33ee543a..4b7072a92 100644
--- a/R-package/DESCRIPTION
+++ b/R-package/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: xgboost
 Type: Package
 Title: Extreme Gradient Boosting
-Version: 0.6-2
-Date: 2016-11-25
+Version: 0.6-3
+Date: 2016-12-28
 Author: Tianqi Chen <tianqi.tchen@gmail.com>, Tong He <hetong007@gmail.com>,
     Michael Benesty <michael@benesty.fr>, Vadim Khotilovich <khotilovich@gmail.com>,
     Yuan Tang <terrytangyuan@gmail.com>
@@ -29,7 +29,7 @@ Suggests:
     testthat,
     igraph (>= 1.0.1)
 Depends:
-    R (>= 2.15.1)
+    R (>= 3.3.0)
 Imports:
     Matrix (>= 1.1-0),
     methods,
diff --git a/R-package/vignettes/xgboost.Rnw b/R-package/vignettes/xgboost.Rnw
index 492718a68..dfbb2f194 100644
--- a/R-package/vignettes/xgboost.Rnw
+++ b/R-package/vignettes/xgboost.Rnw
@@ -21,7 +21,8 @@ if (require('knitr')) opts_chunk$set(fig.width = 5, fig.height = 5, fig.align =
 
 %
 <<prelim,echo=FALSE>>=
-xgboost.version = '0.4-2'
+xgboost.version <- packageDescription("xgboost")$Version
+
 @
 %