diff --git a/people_recognition_msgs/msg/Person2D.msg b/people_recognition_msgs/msg/Person2D.msg
index 0953378..25d5a9e 100644
--- a/people_recognition_msgs/msg/Person2D.msg
+++ b/people_recognition_msgs/msg/Person2D.msg
@@ -5,5 +5,6 @@ float64 gender_confidence
 string posture
 string emotion
 string[] shirt_colors
+string[] hair_colors
 image_recognition_msgs/Recognition[] body_parts
 image_recognition_msgs/Recognition face