diff --git a/README.MD b/README.MD
index c1e24933..6e5155d0 100644
--- a/README.MD
+++ b/README.MD
@@ -1,6 +1,6 @@
 # Orbbec ROS2 SDK
 
-## [![stable](http://badges.github.io/stability-badges/dist/stable.svg)](http://github.com/badges/stability-badges) ![version](https://img.shields.io/badge/version-1.5.2-green)
+## [![stable](http://badges.github.io/stability-badges/dist/stable.svg)](http://github.com/badges/stability-badges) ![version](https://img.shields.io/badge/version-1.5.6-green)
 
 Orbbec SDK ROS 2 is a wrapper for the Orbbec 3D camera that provides seamless integration with the ROS 2 environment. It
 supports ROS 2 Foxy, Galactic, and Humble distributions.
diff --git a/orbbec_camera/include/orbbec_camera/constants.h b/orbbec_camera/include/orbbec_camera/constants.h
index ddde2dd1..7eb86a6f 100644
--- a/orbbec_camera/include/orbbec_camera/constants.h
+++ b/orbbec_camera/include/orbbec_camera/constants.h
@@ -23,7 +23,7 @@
 
 #define OB_ROS_MAJOR_VERSION 1
 #define OB_ROS_MINOR_VERSION 5
-#define OB_ROS_PATCH_VERSION 5
+#define OB_ROS_PATCH_VERSION 6
 
 #ifndef STRINGIFY
 #define STRINGIFY(arg) #arg
diff --git a/orbbec_camera/package.xml b/orbbec_camera/package.xml
index a0c075da..f214403c 100644
--- a/orbbec_camera/package.xml
+++ b/orbbec_camera/package.xml
@@ -2,7 +2,7 @@
 <?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>orbbec_camera</name>
-  <version>1.5.5</version>
+  <version>1.5.6</version>
   <description>Orbbec Camera package</description>
   <maintainer email="mocun@orbbec.com">Joe Dong</maintainer>
   <license>TODO: License declaration</license>