diff --git a/features/mbedtls/platform/inc/shared_rng.h b/features/mbedtls/platform/inc/shared_rng.h
index 154bdfa184..76fc60739d 100644
--- a/features/mbedtls/platform/inc/shared_rng.h
+++ b/features/mbedtls/platform/inc/shared_rng.h
@@ -1,7 +1,7 @@
 /*
  *  shared_rng.h
  *
- *  Copyright (C) 2019, Arm Limited, All Rights Reserved
+ *  Copyright (C) 2019-2020, Arm Limited, All Rights Reserved
  *  SPDX-License-Identifier: Apache-2.0
  *
  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
diff --git a/features/mbedtls/platform/src/shared_rng.cpp b/features/mbedtls/platform/src/shared_rng.cpp
index e64844cf36..65600f5dea 100644
--- a/features/mbedtls/platform/src/shared_rng.cpp
+++ b/features/mbedtls/platform/src/shared_rng.cpp
@@ -1,7 +1,7 @@
 /*
  *  shared_rng.cpp
  *
- *  Copyright (C) 2019, Arm Limited, All Rights Reserved
+ *  Copyright (C) 2019-2020, Arm Limited, All Rights Reserved
  *  SPDX-License-Identifier: Apache-2.0
  *
  *  Licensed under the Apache License, Version 2.0 (the "License"); you may