diff --git a/turtlebot_navigation/param/costmap_common_params.yaml b/turtlebot_navigation/param/costmap_common_params.yaml
index 1868655b..570d165c 100644
--- a/turtlebot_navigation/param/costmap_common_params.yaml
+++ b/turtlebot_navigation/param/costmap_common_params.yaml
@@ -28,8 +28,8 @@ obstacle_layer:
     topic: scan
     marking: true
     clearing: true
-    min_obstacle_height: 0.25
-    max_obstacle_height: 0.35
+    min_obstacle_height: 0.20
+    max_obstacle_height: 0.41
   bump:
     data_type: PointCloud2
     topic: mobile_base/sensors/bumper_pointcloud