diff --git a/TESTS/mbed_hal/stack_size_unification/main.cpp b/TESTS/mbed_hal/stack_size_unification/main.cpp
index 8d7615f4b8..66a6df49d3 100644
--- a/TESTS/mbed_hal/stack_size_unification/main.cpp
+++ b/TESTS/mbed_hal/stack_size_unification/main.cpp
@@ -1,5 +1,7 @@
 /* mbed Microcontroller Library
- * Copyright (c) 2018 ARM Limited
+ * Copyright (c) 2019-2019 ARM Limited
+ * 
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/TESTS/mbed_hal/stack_size_unification/stack_size_unification.h b/TESTS/mbed_hal/stack_size_unification/stack_size_unification.h
index d99865bab4..253d04e341 100644
--- a/TESTS/mbed_hal/stack_size_unification/stack_size_unification.h
+++ b/TESTS/mbed_hal/stack_size_unification/stack_size_unification.h
@@ -1,5 +1,7 @@
 /* mbed Microcontroller Library
- * Copyright (c) 2017-2018 ARM Limited
+ * Copyright (c) 2019-2019 ARM Limited
+ * 
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.