diff --git a/ros/CHANGELOG.rst b/ros/CHANGELOG.rst
index 3205ee29..eb977b9d 100644
--- a/ros/CHANGELOG.rst
+++ b/ros/CHANGELOG.rst
@@ -2,6 +2,21 @@
 Changelog for package dynamixel_sdk
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+3.4.3 (2017-02-17)
+-----------
+* DynamixelSDK C++ ver. and ROS ver. in Windows platform now can use the port number of over then 10 #45
+* Contributors: leon
+
+3.4.2 (2016-02-16)
+-----------
+* fprintf output in GrouBulkRead of C++ removed
+* MATLAB library compiler error solving
+* Makefile for build example sources in SBC added
+* build files of windows c and c++ SDK rebuilt by using renewed SDK libraries
+* example source of dxl_monitor - c and cpp ver modified #50
+* Solved issue : #31, #34, #36, #50
+* Contributors: leon
+
 3.4.1 (2016-08-22)
 -----------
 * added ROS package folder for ROS users
diff --git a/ros/package.xml b/ros/package.xml
index 19b5f51c..f3b39e0f 100644
--- a/ros/package.xml
+++ b/ros/package.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <package>
   <name>dynamixel_sdk</name>
-  <version>3.4.1</version>
+  <version>3.4.3</version>
   <description>This package is wrapping version of ROBOTIS Dynamxel SDK for ROS. The ROBOTIS Dynamixel SDK, or SDK, is a software development library that provides Dynamixel control functions for packet communication. The API is designed for Dynamixel actuators and Dynamixel-based platforms.</description>
   <license>BSD</license>
   <author email="zerom@robotis.com">Zerom</author>