diff --git a/include/boost/multi_index/detail/hash_index_node.hpp b/include/boost/multi_index/detail/hash_index_node.hpp
index c41d312..c1d97ac 100644
--- a/include/boost/multi_index/detail/hash_index_node.hpp
+++ b/include/boost/multi_index/detail/hash_index_node.hpp
@@ -1,4 +1,4 @@
-/* Copyright 2003-2018 Joaquin M Lopez Munoz.
+/* Copyright 2003-2019 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)
diff --git a/include/boost/multi_index/detail/ord_index_impl.hpp b/include/boost/multi_index/detail/ord_index_impl.hpp
index f383dfd..23adeeb 100644
--- a/include/boost/multi_index/detail/ord_index_impl.hpp
+++ b/include/boost/multi_index/detail/ord_index_impl.hpp
@@ -1,4 +1,4 @@
-/* Copyright 2003-2018 Joaquin M Lopez Munoz.
+/* Copyright 2003-2019 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)
diff --git a/include/boost/multi_index/detail/seq_index_node.hpp b/include/boost/multi_index/detail/seq_index_node.hpp
index 8ebaa5d..626d8d6 100644
--- a/include/boost/multi_index/detail/seq_index_node.hpp
+++ b/include/boost/multi_index/detail/seq_index_node.hpp
@@ -1,4 +1,4 @@
-/* Copyright 2003-2018 Joaquin M Lopez Munoz.
+/* Copyright 2003-2019 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)
diff --git a/include/boost/multi_index/sequenced_index.hpp b/include/boost/multi_index/sequenced_index.hpp
index b47023d..6db2f24 100644
--- a/include/boost/multi_index/sequenced_index.hpp
+++ b/include/boost/multi_index/sequenced_index.hpp
@@ -1,4 +1,4 @@
-/* Copyright 2003-2018 Joaquin M Lopez Munoz.
+/* Copyright 2003-2019 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)