diff --git a/Software/co2ampel/data/config.json b/Software/co2ampel/data/config.json
index edcbba0..4da750c 100644
--- a/Software/co2ampel/data/config.json
+++ b/Software/co2ampel/data/config.json
@@ -17,7 +17,8 @@
   "th_yellow_high": 1500,
   "th_red": 2000,
   "selftest_buzzer": 0,
-  "led_brightness": 128,
+  "led_brightness": 150,
   "calibration_ppm": 450,
-  "version": "3"
+  "bmx_enabled": 1,
+  "version": "5"
 }