diff --git a/perception/ground_segmentation/package.xml b/perception/ground_segmentation/package.xml
index 1734487dcc6b3..05d5d18baf29e 100644
--- a/perception/ground_segmentation/package.xml
+++ b/perception/ground_segmentation/package.xml
@@ -8,6 +8,7 @@
   <maintainer email="yukihiro.saito@tier4.jp">Yukihiro Saito</maintainer>
   <maintainer email="shunsuke.miura@tier4.jp">Shunsuke Miura</maintainer>
   <maintainer email="dai.nguyen@tier4.jp">Dai Nguyen</maintainer>
+  <maintainer email="yoshi.ri@tier4.jp">Yoshi Ri</maintainer>
   <license>Apache License 2.0</license>
 
   <!-- Original authors -->
diff --git a/perception/map_based_prediction/package.xml b/perception/map_based_prediction/package.xml
index 8efea9efa1844..1f6dc7a75d4ca 100644
--- a/perception/map_based_prediction/package.xml
+++ b/perception/map_based_prediction/package.xml
@@ -5,7 +5,6 @@
   <version>0.1.0</version>
   <description>This package implements a map_based_prediction</description>
   <maintainer email="tomoya.kimura@tier4.jp">Tomoya Kimura</maintainer>
-  <maintainer email="shunsuke.miura@tier4.jp">Shunsuke Miura</maintainer>
   <maintainer email="yoshi.ri@tier4.jp">Yoshi Ri</maintainer>
   <maintainer email="takayuki.murooka@tier4.jp">Takayuki Murooka</maintainer>
   <maintainer email="kyoichi.sugahara@tier4.jp">Kyoichi Sugahara</maintainer>
diff --git a/perception/object_range_splitter/package.xml b/perception/object_range_splitter/package.xml
index d2bb2b401fb2b..1705162ff7faf 100644
--- a/perception/object_range_splitter/package.xml
+++ b/perception/object_range_splitter/package.xml
@@ -5,6 +5,7 @@
   <version>0.1.0</version>
   <description>The object_range_splitter package</description>
   <maintainer email="yukihiro.saito@tier4.jp">Yukihiro Saito</maintainer>
+  <maintainer email="yoshi.ri@tier4.jp">Yoshi Ri</maintainer>
   <license>Apache License 2.0</license>
 
   <buildtool_depend>ament_cmake_auto</buildtool_depend>
diff --git a/perception/traffic_light_classifier/package.xml b/perception/traffic_light_classifier/package.xml
index ef04aae7ee3cb..9e460e8ad1a1d 100644
--- a/perception/traffic_light_classifier/package.xml
+++ b/perception/traffic_light_classifier/package.xml
@@ -6,6 +6,7 @@
   <description>The traffic_light_classifier package</description>
   <maintainer email="yukihiro.saito@tier4.jp">Yukihiro Saito</maintainer>
   <maintainer email="shunsuke.miura@tier4.jp">Shunsuke Miura</maintainer>
+  <maintainer email="tao.zhong@tier4.jp">Tao Zhong</maintainer>
   <license>Apache License 2.0</license>
 
   <buildtool_depend>ament_cmake_auto</buildtool_depend>
diff --git a/perception/traffic_light_map_based_detector/package.xml b/perception/traffic_light_map_based_detector/package.xml
index 4631935fe42fa..6f1befb79b98c 100644
--- a/perception/traffic_light_map_based_detector/package.xml
+++ b/perception/traffic_light_map_based_detector/package.xml
@@ -6,6 +6,7 @@
   <description>The traffic_light_map_based_detector package</description>
   <maintainer email="yukihiro.saito@tier4.jp">Yukihiro Saito</maintainer>
   <maintainer email="shunsuke.miura@tier4.jp">Shunsuke Miura</maintainer>
+  <maintainer email="tao.zhong@tier4.jp">Tao Zhong</maintainer>
   <license>Apache License 2.0</license>
 
   <buildtool_depend>ament_cmake_auto</buildtool_depend>
diff --git a/perception/traffic_light_visualization/package.xml b/perception/traffic_light_visualization/package.xml
index 276f04762cdea..3d3683a8be6cc 100644
--- a/perception/traffic_light_visualization/package.xml
+++ b/perception/traffic_light_visualization/package.xml
@@ -5,6 +5,7 @@
   <version>0.1.0</version>
   <description>The traffic_light_visualization package</description>
   <maintainer email="yukihiro.saito@tier4.jp">Yukihiro Saito</maintainer>
+  <maintainer email="tao.zhong@tier4.jp">Tao Zhong</maintainer>
   <license>Apache License 2.0</license>
 
   <buildtool_depend>ament_cmake_auto</buildtool_depend>
diff --git a/sensing/image_diagnostics/package.xml b/sensing/image_diagnostics/package.xml
index ea57285e81aba..ceb1283b115a5 100644
--- a/sensing/image_diagnostics/package.xml
+++ b/sensing/image_diagnostics/package.xml
@@ -5,6 +5,7 @@
   <version>0.1.0</version>
   <description>The image_diagnostics_package</description>
   <maintainer email="dai.nguyen@tier4.jp">Dai Nguyen</maintainer>
+  <maintainer email="yoshi.ri@tier4.jp">Yoshi Ri</maintainer>
   <license>Apache License 2.0</license>
 
   <author email="dai.nguyen@tier4.jp">Dai Nguyen</author>
diff --git a/sensing/pointcloud_preprocessor/package.xml b/sensing/pointcloud_preprocessor/package.xml
index d12181f498dea..9a1eae786c379 100644
--- a/sensing/pointcloud_preprocessor/package.xml
+++ b/sensing/pointcloud_preprocessor/package.xml
@@ -11,6 +11,7 @@
   <maintainer email="dai.nguyen@tier4.jp">Dai Nguyen</maintainer>
   <maintainer email="kenzo.lobos@tier4.jp">Kenzo Lobos-Tsunekawa</maintainer>
   <maintainer email="yihsiang.fang@tier4.jp">Yihsiang Fang</maintainer>
+  <maintainer email="yoshi.ri@tier4.jp">Yoshi Ri</maintainer>
   <license>Apache License 2.0</license>
 
   <!-- Original authors -->