diff --git a/src/codal_app/codal.json b/src/codal_app/codal.json
index 6d15e8c..9680a78 100644
--- a/src/codal_app/codal.json
+++ b/src/codal_app/codal.json
@@ -10,6 +10,7 @@
         "DEVICE_STACK_SIZE": 8192,
         "MICROBIT_BLE_ENABLED" : 0,
         "MICROBIT_BLE_PAIRING_MODE": 1,
+        "MICROBIT_BLE_UTILITY_SERVICE_PAIRING": 1,
         "MICROBIT_BLE_PARTIAL_FLASHING" : 1,
         "MICROBIT_BLE_SECURITY_MODE": 2,
         "MICROBIT_USB_SERIAL_WAKE": 1,