diff --git a/Makefile b/Makefile
index b431db2..a58f5c5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 # -*- makefile -*-
 # -----------------------------------------------------------------------
-# Copyright 2017-2022 Open Networking Foundation (ONF) and the ONF Contributors
+# Copyright 2017-2023 Open Networking Foundation (ONF) and the ONF Contributors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.