diff --git a/orbbec_camera/include/orbbec_camera/constants.h b/orbbec_camera/include/orbbec_camera/constants.h
index 7592ffe7..b6f8b3b1 100644
--- a/orbbec_camera/include/orbbec_camera/constants.h
+++ b/orbbec_camera/include/orbbec_camera/constants.h
@@ -24,7 +24,7 @@
 
 #define OB_ROS_MAJOR_VERSION 2
 #define OB_ROS_MINOR_VERSION 8
-#define OB_ROS_PATCH_VERSION 2.1
+#define OB_ROS_PATCH_VERSION 4
 
 #ifndef STRINGIFY
 #define STRINGIFY(arg) #arg
diff --git a/orbbec_camera/package.xml b/orbbec_camera/package.xml
index 4124415e..c2eef34f 100644
--- a/orbbec_camera/package.xml
+++ b/orbbec_camera/package.xml
@@ -2,9 +2,9 @@
 <?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>2.8.2</version>
+  <version>2.8.4</version>
   <description>Orbbec Camera package</description>
-  <maintainer email="mocun@orbbec.com">Joe Dong</maintainer>
+  <maintainer email="yalian@orbbec.com">Yalian</maintainer>
   <license>Apache-2.0</license>
 
   <buildtool_depend>ament_cmake</buildtool_depend>
diff --git a/orbbec_camera_msgs/package.xml b/orbbec_camera_msgs/package.xml
index 043334c8..002ceec9 100644
--- a/orbbec_camera_msgs/package.xml
+++ b/orbbec_camera_msgs/package.xml
@@ -2,9 +2,9 @@
 <?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>orbbec_camera_msgs</name>
-  <version>2.8.2</version>
+  <version>2.8.4</version>
   <description>A package containing orbbec camera messages definitions.</description>
-  <maintainer email="mocun@orbbec.com">Joe Dong</maintainer>
+  <maintainer email="yalian@orbbec.com">Yalian</maintainer>
   <license>Apache-2.0</license>
 
   <buildtool_depend>ament_cmake</buildtool_depend>
diff --git a/orbbec_description/package.xml b/orbbec_description/package.xml
index 3c609539..e299ba54 100644
--- a/orbbec_description/package.xml
+++ b/orbbec_description/package.xml
@@ -2,9 +2,9 @@
 <?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>orbbec_description</name>
-  <version>2.8.2</version>
+  <version>2.8.4</version>
   <description>TODO: Package description</description>
-  <maintainer email="jian.dong@pobox.com">toosimple</maintainer>
+  <maintainer email="yalian@orbbec.com">Yalian</maintainer>
   <license>Apache-2.0</license>
 
   <buildtool_depend>ament_cmake</buildtool_depend>