diff --git a/README.md b/README.md
index f7520506..4ad98cfd 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,9 @@
 `msgpack` for C/C++
 ===================
 
-Version 1.4.0 [![Build Status](https://travis-ci.org/msgpack/msgpack-c.svg?branch=master)](https://travis-ci.org/msgpack/msgpack-c) [![Build status](https://ci.appveyor.com/api/projects/status/8kstcgt79qj123mw/branch/master?svg=true)](https://ci.appveyor.com/project/redboltz/msgpack-c/branch/master)
+Version 2.0.0 (under development)[![Build Status](https://travis-ci.org/msgpack/msgpack-c.svg?branch=master)](https://travis-ci.org/msgpack/msgpack-c) [![Build status](https://ci.appveyor.com/api/projects/status/8kstcgt79qj123mw/branch/master?svg=true)](https://ci.appveyor.com/project/redboltz/msgpack-c/branch/master)
+
+The newest release is version [1.4.1](https://github.com/msgpack/msgpack-c/releases/tag/cpp-1.4.1)
 
 It's like JSON but small and fast.
 
diff --git a/include/msgpack/version_master.h b/include/msgpack/version_master.h
index ec7555dd..793031ce 100644
--- a/include/msgpack/version_master.h
+++ b/include/msgpack/version_master.h
@@ -1,3 +1,3 @@
-#define MSGPACK_VERSION_MAJOR    1
-#define MSGPACK_VERSION_MINOR    4
+#define MSGPACK_VERSION_MAJOR    2
+#define MSGPACK_VERSION_MINOR    0
 #define MSGPACK_VERSION_REVISION 0