diff --git a/perception/bytetrack/package.xml b/perception/bytetrack/package.xml
index da1768e1bf7ea..0d1ccc284f888 100644
--- a/perception/bytetrack/package.xml
+++ b/perception/bytetrack/package.xml
@@ -5,6 +5,7 @@
   <version>0.0.1</version>
   <description>ByteTrack implementation ported toward Autoware</description>
   <maintainer email="manato.hirabayashi@tier4.jp">Manato HIRABAYASHI</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/detected_object_validation/package.xml b/perception/detected_object_validation/package.xml
index b69a5f4cdf5dd..f18f8ab922c49 100644
--- a/perception/detected_object_validation/package.xml
+++ b/perception/detected_object_validation/package.xml
@@ -8,6 +8,7 @@
   <maintainer email="shunsuke.miura@tier4.jp">Shunsuke Miura</maintainer>
   <maintainer email="dai.nguyen@tier4.jp">Dai Nguyen</maintainer>
   <maintainer email="shintaro.tomie@tier4.jp">Shintaro Tomie</maintainer>
+  <maintainer email="yoshi.ri@tier4.jp">Yoshi RI</maintainer>
   <license>Apache License 2.0</license>
 
   <buildtool_depend>ament_cmake_auto</buildtool_depend>