diff --git a/main.py b/main.py
index da47a14..47274be 100644
--- a/main.py
+++ b/main.py
@@ -61,12 +61,12 @@ class Marshaller(Server):
 
         if distance_in_inches < 15:
             self.red_led.on()
-        elif distance_in_inches < 20:
+        elif distance_in_inches < 23:
             self.green_led.on()
             self.yellow_led.on()
         elif distance_in_inches < 25:
             self.green_led.on()
-        elif distance_in_inches < 30:
+        elif distance_in_inches < 33:
             self.yellow_led.on()
         else:
             self.blue_led.on()
@@ -80,7 +80,7 @@ class Marshaller(Server):
     def get_buffered_distance_in_inches(self):
         distance = self.get_distance_in_inches()
 
-        if abs(distance - self.last_value) > 0.5:
+        if abs(distance - self.last_value) > 0.25:
             self.last_value = distance
 
         return self.last_value