diff --git a/tier4_system_msgs/CMakeLists.txt b/tier4_system_msgs/CMakeLists.txt
index 1979212..91f64ee 100644
--- a/tier4_system_msgs/CMakeLists.txt
+++ b/tier4_system_msgs/CMakeLists.txt
@@ -29,6 +29,7 @@ rosidl_generate_interfaces(${PROJECT_NAME}
   "msg/ServiceLog.msg"
   "msg/ModeChangeAvailable.msg"
   "msg/MrmBehaviorStatus.msg"
+  "msg/MrmState.msg"
   "srv/OperateMrm.srv"
   "srv/ChangeOperationMode.srv"
   "srv/ChangeAutowareControl.srv"