diff --git a/ReleaseNote.md b/ReleaseNote.md
index 8ae9908a..21371296 100644
--- a/ReleaseNote.md
+++ b/ReleaseNote.md
@@ -1,8 +1,10 @@
 # Dynamixel SDK Release Notes
 
-3.7.3 (2020-07-13)
+3.7.31 (2020-07-13)
 -------------------
 * ROS 1 Noetic Ninjemys support
+* 3x faster getError member function of GroupSyncRead Class
+* Contributors: developer0hye, Zerom, Will Son
 
 3.7.21 (2019-09-06)
 -------------------
diff --git a/python/setup.py b/python/setup.py
index 1d61882e..e1730cf7 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -4,7 +4,7 @@
 
 setup(
     name='dynamixel_sdk',
-    version='3.7.3',
+    version='3.7.31',
     packages=['dynamixel_sdk'],
     package_dir={'': 'src'},
     license='Apache 2.0',
diff --git a/ros/CHANGELOG.rst b/ros/CHANGELOG.rst
index 4f9692bf..917008d7 100644
--- a/ros/CHANGELOG.rst
+++ b/ros/CHANGELOG.rst
@@ -2,7 +2,7 @@
 Changelog for package dynamixel_sdk
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-3.7.3 (2020-07-13)
+3.7.31 (2020-07-13)
 -------------------
 * ROS 1 Noetic Ninjemys support
 * 3x faster getError member function of GroupSyncRead Class
diff --git a/ros/package.xml b/ros/package.xml
index e7327db6..fec03b70 100644
--- a/ros/package.xml
+++ b/ros/package.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <package format="2">
   <name>dynamixel_sdk</name>
-  <version>3.7.3</version>
+  <version>3.7.31</version>
   <description>
     This package is wrapping version of ROBOTIS Dynamixel 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>