diff --git a/dynamixel_workbench_msgs/CHANGELOG.rst b/dynamixel_workbench_msgs/CHANGELOG.rst
index 7478c42..3d2ddc7 100644
--- a/dynamixel_workbench_msgs/CHANGELOG.rst
+++ b/dynamixel_workbench_msgs/CHANGELOG.rst
@@ -2,10 +2,16 @@
 Changelog for package dynamixel_workbench_msgs
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+2.0.0 (2018-11-30)
+------------------
+* deleted unused msg and srv
+* modified for dynamixel-workbench 2.0.0
+* Contributors: Darby Lim
+
 1.0.0 (2018-07-19)
 ------------------
-* add PROext msgs
-* delete homing offset var
+* added PROext msgs
+* deleted homing offset var
 * Contributors: Darby Lim
 
 0.2.0 (2018-03-20)
diff --git a/dynamixel_workbench_msgs/package.xml b/dynamixel_workbench_msgs/package.xml
index 31a7086..ba709fd 100644
--- a/dynamixel_workbench_msgs/package.xml
+++ b/dynamixel_workbench_msgs/package.xml
@@ -8,6 +8,7 @@
   <license>Apache 2.0</license>
   <author email="thlim@robotis.com">Darby Lim</author>
   <maintainer email="pyo@robotis.com">Pyo</maintainer>
+  <maintainer email="thlim@robotis.com">Darby Lim</maintainer>
   <url type="website">http://wiki.ros.org/dynamixel_workbench_msgs</url>
   <url type="emanual">http://emanual.robotis.com/docs/en/software/dynamixel/dynamixel_workbench/</url>
   <url type="repository">https://github.com/ROBOTIS-GIT/dynamixel-workbench-msgs</url>