diff --git a/libraries/AP_HAL_Linux/PRU/firmware/testpru1 b/libraries/AP_HAL_Linux/PRU/firmware/testpru1
index 9852295d95..51397ed2c6 100644
Binary files a/libraries/AP_HAL_Linux/PRU/firmware/testpru1 and b/libraries/AP_HAL_Linux/PRU/firmware/testpru1 differ