diff --git a/common/motion_utils/package.xml b/common/motion_utils/package.xml
index 8d7aa9167c2ab..d8f6340a473e4 100644
--- a/common/motion_utils/package.xml
+++ b/common/motion_utils/package.xml
@@ -7,6 +7,8 @@
   <maintainer email="yutaka.shimizu@tier4.jp">Yutaka Shimizu</maintainer>
   <maintainer email="satoshi.ota@tier4.jp">Satoshi Ota</maintainer>
   <maintainer email="takayuki.murooka@tier4.jp">Takayuki Murooka</maintainer>
+  <!-- reviewer-->
+  <maintainer email="taiki.tanaka@tier4.jp">Taiki Tanaka</maintainer>
   <license>Apache License 2.0</license>
 
   <author email="yutaka.shimizu@tier4.jp">Yutaka Shimizu</author>
diff --git a/planning/behavior_path_planner/package.xml b/planning/behavior_path_planner/package.xml
index 29c105f5e0871..8e454c6be5b13 100644
--- a/planning/behavior_path_planner/package.xml
+++ b/planning/behavior_path_planner/package.xml
@@ -20,6 +20,11 @@
   <!-- drivable area generation-->
   <maintainer email="takayuki.murooka@tier4.jp">Takayuki Murooka</maintainer>
 
+  <!-- maintainer -->
+  <maintainer email="taiki.tanaka@tier4.jp">Taiki Tanaka</maintainer>
+  <maintainer email="tomoya.kimura@tier4.jp">Tomoya Kimura</maintainer>
+  <maintainer email="shumpei.wakabayashi@tier4.jp">Shumpei Wakabayashi</maintainer>
+
   <license>Apache License 2.0</license>
 
   <author email="takamasa.horibe@tier4.jp">Takamasa Horibe</author>
diff --git a/planning/behavior_velocity_planner/package.xml b/planning/behavior_velocity_planner/package.xml
index 70d85b2e5d340..035835d2e2ed0 100644
--- a/planning/behavior_velocity_planner/package.xml
+++ b/planning/behavior_velocity_planner/package.xml
@@ -26,6 +26,10 @@
   <!-- run out module -->
   <maintainer email="tomohito.ando@tier4.jp">Tomohito Ando</maintainer>
 
+  <!-- maintainer -->
+  <maintainer email="tomoya.kimura@tier4.jp">Tomoya Kimura</maintainer>
+  <maintainer email="shumpei.wakabayashi@tier4.jp">Shumpei Wakabayashi</maintainer>
+
   <license>Apache License 2.0</license>
 
   <author email="taiki.tanaka@tier4.jp">Taiki Tanaka</author>
diff --git a/vehicle/vehicle_info_util/package.xml b/vehicle/vehicle_info_util/package.xml
index 09a349be63e14..e963e4cda0c75 100644
--- a/vehicle/vehicle_info_util/package.xml
+++ b/vehicle/vehicle_info_util/package.xml
@@ -5,6 +5,12 @@
   <version>0.1.0</version>
   <description>The vehicle_info_util package</description>
   <maintainer email="yamato.ando@tier4.jp">Yamato ANDO</maintainer>
+
+  <!-- maintainer -->
+  <maintainer email="taiki.tanaka@tier4.jp">Taiki Tanaka</maintainer>
+  <maintainer email="tomoya.kimura@tier4.jp">Tomoya Kimura</maintainer>
+  <maintainer email="shumpei.wakabayashi@tier4.jp">Shumpei Wakabayashi</maintainer>
+
   <license>Apache License 2.0</license>
 
   <buildtool_depend>ament_cmake_auto</buildtool_depend>