diff --git a/turtlebot3_manipulation_gazebo/CHANGELOG.rst b/turtlebot3_manipulation_gazebo/CHANGELOG.rst
index 7b12fb9..9075f45 100644
--- a/turtlebot3_manipulation_gazebo/CHANGELOG.rst
+++ b/turtlebot3_manipulation_gazebo/CHANGELOG.rst
@@ -4,4 +4,5 @@ Changelog for package turtlebot3_manipulation_gazebo
 
 2.3.1 (2025-05-28)
 ------------------
-* Moved the TurtleBot3 Manipulation Gazebo simulation from the turtlebot3_manipulation_bringup package
\ No newline at end of file
+* Moved the TurtleBot3 Manipulation Gazebo simulation from the turtlebot3_manipulation_bringup package
+* Contributors: ChanHyeong Lee
diff --git a/turtlebot3_simulations/CHANGELOG.rst b/turtlebot3_simulations/CHANGELOG.rst
index 13a98d5..69d2cbb 100644
--- a/turtlebot3_simulations/CHANGELOG.rst
+++ b/turtlebot3_simulations/CHANGELOG.rst
@@ -5,6 +5,7 @@ Changelog for package turtlebot3_simulations
 2.3.1 (2025-05-28)
 ------------------
 * Moved the TurtleBot3 Manipulation Gazebo simulation from the turtlebot3_manipulation_bringup package
+* Contributors: ChanHyeong Lee
 
 2.3.0 (2025-02-17)
 ------------------