diff --git a/perception/detected_object_validation/package.xml b/perception/detected_object_validation/package.xml
index 31bb633294748..3e494a78cd5ad 100644
--- a/perception/detected_object_validation/package.xml
+++ b/perception/detected_object_validation/package.xml
@@ -7,6 +7,7 @@
   <maintainer email="yukihiro.saito@tier4.jp">Yukihiro Saito</maintainer>
   <maintainer email="shunsuke.miura@tier4.jp">Shunsuke Miura</maintainer>
   <maintainer email="dai.nguyen@tier4.jp">badai nguyen</maintainer>
+  <maintainer email="shintaro.tomie@tier4.jp">Shintaro Tomie</maintainer>
   <license>Apache License 2.0</license>
 
   <buildtool_depend>ament_cmake_auto</buildtool_depend>
diff --git a/perception/elevation_map_loader/package.xml b/perception/elevation_map_loader/package.xml
index 6e271b8528c47..f475ea4b3ceb1 100644
--- a/perception/elevation_map_loader/package.xml
+++ b/perception/elevation_map_loader/package.xml
@@ -6,6 +6,7 @@
   <description>The map_loader package</description>
   <maintainer email="kosuke.takeuchi@tier4.jp">Kosuke Takeuchi</maintainer>
   <maintainer email="taichi.higashide@tier4.jp">Taichi Higashide</maintainer>
+  <maintainer email="shintaro.tomie@tier4.jp">Shintaro Tomie</maintainer>
   <license>Apache License 2.0</license>
 
   <buildtool_depend>ament_cmake_auto</buildtool_depend>
diff --git a/perception/traffic_light_fine_detector/package.xml b/perception/traffic_light_fine_detector/package.xml
index 8ff9f2d133b52..cf2495228b0c5 100644
--- a/perception/traffic_light_fine_detector/package.xml
+++ b/perception/traffic_light_fine_detector/package.xml
@@ -6,6 +6,7 @@
   <description>The traffic_light_fine_detector package</description>
   <maintainer email="tao.zhong@tier4.jp">Tao Zhong</maintainer>
   <maintainer email="shunsuke.miura@tier4.jp">Shunsuke Miura</maintainer>
+  <maintainer email="shintaro.tomie@tier4.jp">Shintaro Tomie</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 c2d53869fa3d5..4631935fe42fa 100644
--- a/perception/traffic_light_map_based_detector/package.xml
+++ b/perception/traffic_light_map_based_detector/package.xml
@@ -5,6 +5,7 @@
   <version>0.1.0</version>
   <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>
   <license>Apache License 2.0</license>
 
   <buildtool_depend>ament_cmake_auto</buildtool_depend>