diff --git a/keyboard_thread.py b/keyboard_thread.py
index 1cf09d4..cf0e82d 100644
--- a/keyboard_thread.py
+++ b/keyboard_thread.py
@@ -14,9 +14,9 @@ class KeyboardEvent(threading.Thread):
     def run(self):
         while self.run_mode == 'run':
             if keyboard.is_pressed('up'):  # if key 'q' is pressed
-                self.offset_value = -50
+                self.offset_value = -75
             elif keyboard.is_pressed('down'):
-                self.offset_value = 50
+                self.offset_value = 75
             elif keyboard.is_pressed('left') or keyboard.is_pressed('right'):
                 self.offset_value = 0
             cv.waitKey(10)