diff --git a/turtlebot4_diagnostics/turtlebot4_diagnostics/diagnostics_updater.py b/turtlebot4_diagnostics/turtlebot4_diagnostics/diagnostics_updater.py
index 8ff2096..28f6494 100644
--- a/turtlebot4_diagnostics/turtlebot4_diagnostics/diagnostics_updater.py
+++ b/turtlebot4_diagnostics/turtlebot4_diagnostics/diagnostics_updater.py
@@ -113,7 +113,7 @@ def __init__(self):
         self.dock_visible = False
         self.lidar_freq_bounds = {'min': 5, 'max': 10}
         self.camera_freq_bounds = {'min': 5, 'max': 60}
-        self.imu_freq_bounds = {'min': 100, 'max': 100}
+        self.imu_freq_bounds = {'min': 30, 'max': 35}
         self.mouse_freq_bounds = {'min': 61, 'max': 63}
         self.detections = []