diff --git a/common/tensorrt_common/package.xml b/common/tensorrt_common/package.xml
index 7d3995f93f7fe..f5a3896b55881 100644
--- a/common/tensorrt_common/package.xml
+++ b/common/tensorrt_common/package.xml
@@ -6,7 +6,6 @@
 
   <author email="taichi.higashide@tier4.jp">Taichi Higashide</author>
   <author email="daisuke.nishimatsu@tier4.jp">Daisuke Nishimatsu</author>
-  <maintainer email="daisuke.nishimatsu@tier4.jp">Daisuke Nishimatsu</maintainer>
   <maintainer email="dan.umeda@tier4.jp">Dan Umeda</maintainer>
   <maintainer email="manato.hirabayashi@tier4.jp">Manato Hirabayashi</maintainer>
 
diff --git a/common/traffic_light_utils/package.xml b/common/traffic_light_utils/package.xml
index 37b4d46ce356a..7adb856c3c447 100644
--- a/common/traffic_light_utils/package.xml
+++ b/common/traffic_light_utils/package.xml
@@ -4,7 +4,7 @@
   <name>traffic_light_utils</name>
   <version>0.1.0</version>
   <description>The traffic_light_utils package</description>
-  <maintainer email="mingyu.li@tier4.jp">Mingyu Li</maintainer>
+  <maintainer email="kotaro.uetake@tier4.jp">Kotaro Uetake</maintainer>
   <maintainer email="shunsuke.miura@tier4.jp">Shunsuke Miura</maintainer>
   <maintainer email="satoshi.ota@tier4.jp">Satoshi Ota</maintainer>
   <license>Apache License 2.0</license>
diff --git a/perception/tensorrt_classifier/package.xml b/perception/tensorrt_classifier/package.xml
index 27513652ae829..439318c147e76 100644
--- a/perception/tensorrt_classifier/package.xml
+++ b/perception/tensorrt_classifier/package.xml
@@ -6,7 +6,8 @@
 
   <author email="dan.umeda@tier4.jp">Dan Umeda</author>
   <author email="mingyu.li@tier4.jp">Mingyu Li</author>
-  <maintainer email="mingyu.li@tier4.jp">>Mingyu Li</maintainer>
+  <maintainer email="kotaro.uetake@tier4.jp">Kotaro Uetake</maintainer>
+  <maintainer email="shunsuke.miura@tier4.jp">Shunsuke Miura</maintainer>
 
   <license>Apache License 2.0</license>
 
diff --git a/perception/tensorrt_yolox/package.xml b/perception/tensorrt_yolox/package.xml
index e262dd90c9681..2afbfcb9fe3ed 100644
--- a/perception/tensorrt_yolox/package.xml
+++ b/perception/tensorrt_yolox/package.xml
@@ -5,7 +5,6 @@
   <description>tensorrt library implementation for yolox</description>
 
   <author email="daisuke.nishimatsu@tier4.jp">Daisuke Nishimatsu</author>
-  <maintainer email="daisuke.nishimatsu@tier4.jp">Daisuke Nishimatsu</maintainer>
   <maintainer email="dan.umeda@tier4.jp">Dan Umeda</maintainer>
   <maintainer email="manato.hirabayashi@tier4.jp">Manato Hirabayashi</maintainer>