diff --git a/class/vendor/usbh_ch34x.c b/class/vendor/usbh_ch34x.c
index 9f905270..1effdba8 100644
--- a/class/vendor/usbh_ch34x.c
+++ b/class/vendor/usbh_ch34x.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, sakumisu
+ * Copyright (c) 2024, sakumisu
  *
  * SPDX-License-Identifier: Apache-2.0
  */
diff --git a/class/vendor/usbh_ch34x.h b/class/vendor/usbh_ch34x.h
index 256928dd..9918c3be 100644
--- a/class/vendor/usbh_ch34x.h
+++ b/class/vendor/usbh_ch34x.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, sakumisu
+ * Copyright (c) 2024, sakumisu
  *
  * SPDX-License-Identifier: Apache-2.0
  */
diff --git a/class/vendor/usbh_cp210x.c b/class/vendor/usbh_cp210x.c
index 565786f3..7dc45e64 100644
--- a/class/vendor/usbh_cp210x.c
+++ b/class/vendor/usbh_cp210x.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, sakumisu
+ * Copyright (c) 2024, sakumisu
  *
  * SPDX-License-Identifier: Apache-2.0
  */
diff --git a/class/vendor/usbh_cp210x.h b/class/vendor/usbh_cp210x.h
index 8cfb184d..597328ec 100644
--- a/class/vendor/usbh_cp210x.h
+++ b/class/vendor/usbh_cp210x.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, sakumisu
+ * Copyright (c) 2024, sakumisu
  *
  * SPDX-License-Identifier: Apache-2.0
  */
diff --git a/class/vendor/usbh_ftdi.c b/class/vendor/usbh_ftdi.c
index dcc79cdd..48d1c1bd 100644
--- a/class/vendor/usbh_ftdi.c
+++ b/class/vendor/usbh_ftdi.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, sakumisu
+ * Copyright (c) 2024, sakumisu
  *
  * SPDX-License-Identifier: Apache-2.0
  */
diff --git a/class/vendor/usbh_ftdi.h b/class/vendor/usbh_ftdi.h
index 70387d76..300ee6ab 100644
--- a/class/vendor/usbh_ftdi.h
+++ b/class/vendor/usbh_ftdi.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, sakumisu
+ * Copyright (c) 2024, sakumisu
  *
  * SPDX-License-Identifier: Apache-2.0
  */