diff --git a/wpb_home_tutorials/nav_lidar/costmap_common_params.yaml b/wpb_home_tutorials/nav_lidar/costmap_common_params.yaml
index 470fac8..315e7da 100644
--- a/wpb_home_tutorials/nav_lidar/costmap_common_params.yaml
+++ b/wpb_home_tutorials/nav_lidar/costmap_common_params.yaml
@@ -1,7 +1,7 @@
 obstacle_range: 6.0
 raytrace_range: 6.0
 robot_radius: 0.25
-inflation_radius: 0.30
+inflation_radius: 0.40
 cost_scaling_factor: 10.0
 observation_sources: scan_filtered
 scan_filtered: {