diff --git a/CMakeLists.txt b/CMakeLists.txt
index 39ac8a1..19d0106 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,6 +31,7 @@ target_sources(app PRIVATE
     src/power_control.c
     src/measurement/piezo_measure.c
     src/ble/ble_service.c
+    src/ble/ble_tx_power.c
     src/drivers/battery/battery_adc.c
     src/drivers/echo_adc/echo_adc.c
     src/drivers/led/led_control.c