diff --git a/src/newgal/shadow/shadow.c b/src/newgal/shadow/shadow.c
index 9b0ff13d..9364436f 100644
--- a/src/newgal/shadow/shadow.c
+++ b/src/newgal/shadow/shadow.c
@@ -15,7 +15,7 @@
  *   and Graphics User Interface (GUI) support system for embedded systems
  *   and smart IoT devices.
  *
- *   Copyright (C) 2002~2018, Beijing FMSoft Technologies Co., Ltd.
+ *   Copyright (C) 2002~2023, Beijing FMSoft Technologies Co., Ltd.
  *   Copyright (C) 1998~2002, WEI Yongming
  *
  *   This program is free software: you can redistribute it and/or modify
diff --git a/src/newgal/shadow/shadow.h b/src/newgal/shadow/shadow.h
index 2eb3ebd0..6d444415 100644
--- a/src/newgal/shadow/shadow.h
+++ b/src/newgal/shadow/shadow.h
@@ -15,7 +15,7 @@
  *   and Graphics User Interface (GUI) support system for embedded systems
  *   and smart IoT devices.
  *
- *   Copyright (C) 2002~2022, Beijing FMSoft Technologies Co., Ltd.
+ *   Copyright (C) 2002~2023, Beijing FMSoft Technologies Co., Ltd.
  *   Copyright (C) 1998~2002, WEI Yongming
  *
  *   This program is free software: you can redistribute it and/or modify