diff --git a/include/boost/multi_index/detail/node_handle.hpp b/include/boost/multi_index/detail/node_handle.hpp
index d74b6b0..bd24274 100644
--- a/include/boost/multi_index/detail/node_handle.hpp
+++ b/include/boost/multi_index/detail/node_handle.hpp
@@ -1,4 +1,4 @@
-/* Copyright 2003-2020 Joaquin M Lopez Munoz.
+/* Copyright 2003-2021 Joaquin M Lopez Munoz.
  * Distributed under the Boost Software License, Version 1.0.
  * (See accompanying file LICENSE_1_0.txt or copy at
  * http://www.boost.org/LICENSE_1_0.txt)