diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L475xG/TARGET_MTB_STM_L475/PeripheralNames.h b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L475xG/TARGET_MTB_STM_L475/PeripheralNames.h
index 04b09f6539..39836c1495 100644
--- a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L475xG/TARGET_MTB_STM_L475/PeripheralNames.h
+++ b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L475xG/TARGET_MTB_STM_L475/PeripheralNames.h
@@ -1,4 +1,6 @@
 /* mbed Microcontroller Library
+
+* SPDX-License-Identifier: Apache-2.0
  *******************************************************************************
  * Copyright (c) 2017, STMicroelectronics
  * All rights reserved.
diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L475xG/TARGET_MTB_STM_L475/PeripheralPins.c b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L475xG/TARGET_MTB_STM_L475/PeripheralPins.c
index 31119421e5..b29079934a 100644
--- a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L475xG/TARGET_MTB_STM_L475/PeripheralPins.c
+++ b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L475xG/TARGET_MTB_STM_L475/PeripheralPins.c
@@ -1,4 +1,6 @@
 /* mbed Microcontroller Library
+
+* SPDX-License-Identifier: Apache-2.0
  *******************************************************************************
  * Copyright (c) 2018, STMicroelectronics
  * All rights reserved.
diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L475xG/TARGET_MTB_STM_L475/PinNames.h b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L475xG/TARGET_MTB_STM_L475/PinNames.h
index 9d89ae5467..3946fdaab1 100644
--- a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L475xG/TARGET_MTB_STM_L475/PinNames.h
+++ b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L475xG/TARGET_MTB_STM_L475/PinNames.h
@@ -1,4 +1,6 @@
 /* mbed Microcontroller Library
+
+* SPDX-License-Identifier: Apache-2.0
  *******************************************************************************
  * Copyright (c) 2018, STMicroelectronics
  * All rights reserved.