diff --git a/lib_xua/src/dfu/flash_interface.c b/lib_xua/src/dfu/flash_interface.c
index 619ae32c..72ebcc4a 100755
--- a/lib_xua/src/dfu/flash_interface.c
+++ b/lib_xua/src/dfu/flash_interface.c
@@ -1,4 +1,4 @@
-// Copyright 2011-2021 XMOS LIMITED.
+// Copyright 2011-2023 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 #include <xs1.h>
 #include <flash.h>
diff --git a/lib_xua/src/dfu/flashlib_user.c b/lib_xua/src/dfu/flashlib_user.c
index 295c5362..1e6a80c5 100644
--- a/lib_xua/src/dfu/flashlib_user.c
+++ b/lib_xua/src/dfu/flashlib_user.c
@@ -1,4 +1,4 @@
-// Copyright 2012-2021 XMOS LIMITED.
+// Copyright 2012-2023 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 #include "xua.h"
 #if (XUA_DFU_EN == 1)