diff --git a/doc/Jamfile.v2 b/doc/Jamfile.v2
index 0174df9..54cc91a 100644
--- a/doc/Jamfile.v2
+++ b/doc/Jamfile.v2
@@ -1,4 +1,4 @@
-# Copyright Antony Polukhin, 2011-2022.
+# Copyright Antony Polukhin, 2011-2023.
 #
 # Use, modification, and distribution are
 # subject to the Boost Software License, Version 1.0. (See accompanying
diff --git a/doc/lexical_cast.qbk b/doc/lexical_cast.qbk
index 723e8f8..5e26ff3 100644
--- a/doc/lexical_cast.qbk
+++ b/doc/lexical_cast.qbk
@@ -3,7 +3,7 @@
     [version 1.0]
     [copyright 2000-2005 Kevlin Henney]
     [copyright 2006-2010 Alexander Nasonov]
-    [copyright 2011-2022 Antony Polukhin]
+    [copyright 2011-2023 Antony Polukhin]
     [category String and text processing]
     [category Miscellaneous]
     [license
diff --git a/example/args_to_numbers.cpp b/example/args_to_numbers.cpp
index 86a25d1..506773a 100644
--- a/example/args_to_numbers.cpp
+++ b/example/args_to_numbers.cpp
@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2013-2022.
+// Copyright Antony Polukhin, 2013-2023.
 
 // Distributed under the Boost Software License, Version 1.0.
 // (See the accompanying file LICENSE_1_0.txt
diff --git a/example/generic_stringize.cpp b/example/generic_stringize.cpp
index 3b45b8d..c8c8737 100644
--- a/example/generic_stringize.cpp
+++ b/example/generic_stringize.cpp
@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2013-2022.
+// Copyright Antony Polukhin, 2013-2023.
 
 // Distributed under the Boost Software License, Version 1.0.
 // (See the accompanying file LICENSE_1_0.txt
diff --git a/example/small_examples.cpp b/example/small_examples.cpp
index 3865535..33d32d4 100644
--- a/example/small_examples.cpp
+++ b/example/small_examples.cpp
@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2013-2022.
+// Copyright Antony Polukhin, 2013-2023.
 
 // Distributed under the Boost Software License, Version 1.0.
 // (See the accompanying file LICENSE_1_0.txt
diff --git a/example/variant_to_long_double.cpp b/example/variant_to_long_double.cpp
index bbe102c..8930475 100644
--- a/example/variant_to_long_double.cpp
+++ b/example/variant_to_long_double.cpp
@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2013-2022.
+// Copyright Antony Polukhin, 2013-2023.
 
 // Distributed under the Boost Software License, Version 1.0.
 // (See the accompanying file LICENSE_1_0.txt
diff --git a/include/boost/lexical_cast.hpp b/include/boost/lexical_cast.hpp
index b9304f7..d2838be 100644
--- a/include/boost/lexical_cast.hpp
+++ b/include/boost/lexical_cast.hpp
@@ -1,6 +1,6 @@
 // Copyright Kevlin Henney, 2000-2005.
 // Copyright Alexander Nasonov, 2006-2010.
-// Copyright Antony Polukhin, 2011-2022.
+// Copyright Antony Polukhin, 2011-2023.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/include/boost/lexical_cast/bad_lexical_cast.hpp b/include/boost/lexical_cast/bad_lexical_cast.hpp
index 3a2c704..2dfc77a 100644
--- a/include/boost/lexical_cast/bad_lexical_cast.hpp
+++ b/include/boost/lexical_cast/bad_lexical_cast.hpp
@@ -1,6 +1,6 @@
 // Copyright Kevlin Henney, 2000-2005.
 // Copyright Alexander Nasonov, 2006-2010.
-// Copyright Antony Polukhin, 2011-2022.
+// Copyright Antony Polukhin, 2011-2023.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/include/boost/lexical_cast/detail/converter_lexical.hpp b/include/boost/lexical_cast/detail/converter_lexical.hpp
index 23a2f57..39b2bbf 100644
--- a/include/boost/lexical_cast/detail/converter_lexical.hpp
+++ b/include/boost/lexical_cast/detail/converter_lexical.hpp
@@ -1,6 +1,6 @@
 // Copyright Kevlin Henney, 2000-2005.
 // Copyright Alexander Nasonov, 2006-2010.
-// Copyright Antony Polukhin, 2011-2022.
+// Copyright Antony Polukhin, 2011-2023.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/include/boost/lexical_cast/detail/converter_lexical_streams.hpp b/include/boost/lexical_cast/detail/converter_lexical_streams.hpp
index 4141931..04383bf 100644
--- a/include/boost/lexical_cast/detail/converter_lexical_streams.hpp
+++ b/include/boost/lexical_cast/detail/converter_lexical_streams.hpp
@@ -1,6 +1,6 @@
 // Copyright Kevlin Henney, 2000-2005.
 // Copyright Alexander Nasonov, 2006-2010.
-// Copyright Antony Polukhin, 2011-2022.
+// Copyright Antony Polukhin, 2011-2023.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/include/boost/lexical_cast/detail/converter_numeric.hpp b/include/boost/lexical_cast/detail/converter_numeric.hpp
index 86c278f..853e254 100644
--- a/include/boost/lexical_cast/detail/converter_numeric.hpp
+++ b/include/boost/lexical_cast/detail/converter_numeric.hpp
@@ -1,6 +1,6 @@
 // Copyright Kevlin Henney, 2000-2005.
 // Copyright Alexander Nasonov, 2006-2010.
-// Copyright Antony Polukhin, 2011-2022.
+// Copyright Antony Polukhin, 2011-2023.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/include/boost/lexical_cast/detail/inf_nan.hpp b/include/boost/lexical_cast/detail/inf_nan.hpp
index dd68b17..ef53e52 100644
--- a/include/boost/lexical_cast/detail/inf_nan.hpp
+++ b/include/boost/lexical_cast/detail/inf_nan.hpp
@@ -1,6 +1,6 @@
 // Copyright Kevlin Henney, 2000-2005.
 // Copyright Alexander Nasonov, 2006-2010.
-// Copyright Antony Polukhin, 2011-2022.
+// Copyright Antony Polukhin, 2011-2023.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/include/boost/lexical_cast/detail/is_character.hpp b/include/boost/lexical_cast/detail/is_character.hpp
index dd6ff06..176dd3d 100644
--- a/include/boost/lexical_cast/detail/is_character.hpp
+++ b/include/boost/lexical_cast/detail/is_character.hpp
@@ -1,6 +1,6 @@
 // Copyright Kevlin Henney, 2000-2005.
 // Copyright Alexander Nasonov, 2006-2010.
-// Copyright Antony Polukhin, 2011-2022.
+// Copyright Antony Polukhin, 2011-2023.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/include/boost/lexical_cast/detail/lcast_char_constants.hpp b/include/boost/lexical_cast/detail/lcast_char_constants.hpp
index 6be846c..e2069a5 100644
--- a/include/boost/lexical_cast/detail/lcast_char_constants.hpp
+++ b/include/boost/lexical_cast/detail/lcast_char_constants.hpp
@@ -1,6 +1,6 @@
 // Copyright Kevlin Henney, 2000-2005.
 // Copyright Alexander Nasonov, 2006-2010.
-// Copyright Antony Polukhin, 2011-2022.
+// Copyright Antony Polukhin, 2011-2023.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/include/boost/lexical_cast/detail/lcast_unsigned_converters.hpp b/include/boost/lexical_cast/detail/lcast_unsigned_converters.hpp
index 3aa6d57..e4a581e 100644
--- a/include/boost/lexical_cast/detail/lcast_unsigned_converters.hpp
+++ b/include/boost/lexical_cast/detail/lcast_unsigned_converters.hpp
@@ -1,6 +1,6 @@
 // Copyright Kevlin Henney, 2000-2005.
 // Copyright Alexander Nasonov, 2006-2010.
-// Copyright Antony Polukhin, 2011-2022.
+// Copyright Antony Polukhin, 2011-2023.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/include/boost/lexical_cast/detail/widest_char.hpp b/include/boost/lexical_cast/detail/widest_char.hpp
index a5427bb..ca1e39d 100644
--- a/include/boost/lexical_cast/detail/widest_char.hpp
+++ b/include/boost/lexical_cast/detail/widest_char.hpp
@@ -1,6 +1,6 @@
 // Copyright Kevlin Henney, 2000-2005.
 // Copyright Alexander Nasonov, 2006-2010.
-// Copyright Antony Polukhin, 2011-2022.
+// Copyright Antony Polukhin, 2011-2023.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/include/boost/lexical_cast/lexical_cast_old.hpp b/include/boost/lexical_cast/lexical_cast_old.hpp
index 27c6680..b7b7358 100644
--- a/include/boost/lexical_cast/lexical_cast_old.hpp
+++ b/include/boost/lexical_cast/lexical_cast_old.hpp
@@ -1,6 +1,6 @@
 // Copyright Kevlin Henney, 2000-2005.
 // Copyright Alexander Nasonov, 2006-2010.
-// Copyright Antony Polukhin, 2011-2022.
+// Copyright Antony Polukhin, 2011-2023.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/include/boost/lexical_cast/try_lexical_convert.hpp b/include/boost/lexical_cast/try_lexical_convert.hpp
index b1a52be..d326f12 100644
--- a/include/boost/lexical_cast/try_lexical_convert.hpp
+++ b/include/boost/lexical_cast/try_lexical_convert.hpp
@@ -1,6 +1,6 @@
 // Copyright Kevlin Henney, 2000-2005.
 // Copyright Alexander Nasonov, 2006-2010.
-// Copyright Antony Polukhin, 2011-2022.
+// Copyright Antony Polukhin, 2011-2023.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/perf/Jamfile.v2 b/perf/Jamfile.v2
index f231361..3b3e31b 100644
--- a/perf/Jamfile.v2
+++ b/perf/Jamfile.v2
@@ -1,5 +1,5 @@
 #==============================================================================
-#   Copyright (c) Antony Polukhin, 2012-2022.
+#   Copyright (c) Antony Polukhin, 2012-2023.
 #
 #   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/perf/performance_test.cpp b/perf/performance_test.cpp
index b0cbec3..480837b 100644
--- a/perf/performance_test.cpp
+++ b/perf/performance_test.cpp
@@ -1,4 +1,4 @@
-//  (C) Copyright Antony Polukhin, 2012-2022.
+//  (C) Copyright Antony Polukhin, 2012-2023.
 //  Use, modification and distribution are subject to 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/test/Jamfile.v2 b/test/Jamfile.v2
index 73685eb..71b163e 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -1,5 +1,5 @@
 # Copyright (C) 2001-2003 Douglas Gregor
-# Copyright (C) Antony Polukhin, 2011-2022
+# Copyright (C) Antony Polukhin, 2011-2023
 #
 # 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/test/appveyor.yml b/test/appveyor.yml
index 9e9e0b7..af7d8c0 100644
--- a/test/appveyor.yml
+++ b/test/appveyor.yml
@@ -2,7 +2,7 @@
 # subject to 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)
 #
-# Copyright Antony Polukhin, 2016-2022.
+# Copyright Antony Polukhin, 2016-2023.
 
 #
 # See https://svn.boost.org/trac/boost/wiki/TravisCoverals for description of this file
diff --git a/test/arrays_test.cpp b/test/arrays_test.cpp
index dae06a5..41a207c 100644
--- a/test/arrays_test.cpp
+++ b/test/arrays_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2012-2022.
+//  Copyright Antony Polukhin, 2012-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/containers_test.cpp b/test/containers_test.cpp
index 4c161fc..caba715 100644
--- a/test/containers_test.cpp
+++ b/test/containers_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2011-2022.
+//  Copyright Antony Polukhin, 2011-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/empty_input_test.cpp b/test/empty_input_test.cpp
index cbf25e5..36e3ab3 100644
--- a/test/empty_input_test.cpp
+++ b/test/empty_input_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2011-2022.
+//  Copyright Antony Polukhin, 2011-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/filesystem_test.cpp b/test/filesystem_test.cpp
index 73b3450..7297fed 100644
--- a/test/filesystem_test.cpp
+++ b/test/filesystem_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2013-2022.
+//  Copyright Antony Polukhin, 2013-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/float_types_test.cpp b/test/float_types_test.cpp
index 3bb1d20..c5417e3 100644
--- a/test/float_types_test.cpp
+++ b/test/float_types_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2011-2022.
+//  Copyright Antony Polukhin, 2011-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/inf_nan_test.cpp b/test/inf_nan_test.cpp
index 9bd42ee..4bc7dcd 100644
--- a/test/inf_nan_test.cpp
+++ b/test/inf_nan_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2011-2022.
+//  Copyright Antony Polukhin, 2011-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/integral_types_test.cpp b/test/integral_types_test.cpp
index 222a77e..f31c1be 100644
--- a/test/integral_types_test.cpp
+++ b/test/integral_types_test.cpp
@@ -4,7 +4,7 @@
 //
 //  Copyright Terje Sletteb and Kevlin Henney, 2005.
 //  Copyright Alexander Nasonov, 2006.
-//  Copyright Antony Polukhin, 2011-2022.
+//  Copyright Antony Polukhin, 2011-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/iterator_range_test.cpp b/test/iterator_range_test.cpp
index 98c7020..c93d65f 100644
--- a/test/iterator_range_test.cpp
+++ b/test/iterator_range_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2012-2022.
+//  Copyright Antony Polukhin, 2012-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/lexical_cast_test.cpp b/test/lexical_cast_test.cpp
index 6114e4c..64b4965 100644
--- a/test/lexical_cast_test.cpp
+++ b/test/lexical_cast_test.cpp
@@ -4,7 +4,7 @@
 //
 //  Copyright Terje Sletteb and Kevlin Henney, 2005.
 //  Copyright Alexander Nasonov, 2006.
-//  Copyright Antony Polukhin, 2011-2022.
+//  Copyright Antony Polukhin, 2011-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/no_comp_time_prcision.cpp b/test/no_comp_time_prcision.cpp
index 98a8d77..64b1513 100644
--- a/test/no_comp_time_prcision.cpp
+++ b/test/no_comp_time_prcision.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2015-2022.
+//  Copyright Antony Polukhin, 2015-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/no_exceptions_test.cpp b/test/no_exceptions_test.cpp
index 3ab44bf..fecf770 100644
--- a/test/no_exceptions_test.cpp
+++ b/test/no_exceptions_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2012-2022.
+//  Copyright Antony Polukhin, 2012-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/no_locale_test.cpp b/test/no_locale_test.cpp
index e790e8b..2423fee 100644
--- a/test/no_locale_test.cpp
+++ b/test/no_locale_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2012-2022.
+//  Copyright Antony Polukhin, 2012-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/pointers_test.cpp b/test/pointers_test.cpp
index 59a8be0..ed2de54 100644
--- a/test/pointers_test.cpp
+++ b/test/pointers_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2012-2022.
+//  Copyright Antony Polukhin, 2012-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/stream_detection_test.cpp b/test/stream_detection_test.cpp
index 5f83187..2634728 100644
--- a/test/stream_detection_test.cpp
+++ b/test/stream_detection_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2011-2022.
+//  Copyright Antony Polukhin, 2011-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/stream_traits_test.cpp b/test/stream_traits_test.cpp
index f482c52..bb1441c 100644
--- a/test/stream_traits_test.cpp
+++ b/test/stream_traits_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2012-2022.
+//  Copyright Antony Polukhin, 2012-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/to_pointer_test.cpp b/test/to_pointer_test.cpp
index d8d9b12..adfaf5b 100644
--- a/test/to_pointer_test.cpp
+++ b/test/to_pointer_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2013-2022.
+//  Copyright Antony Polukhin, 2013-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/typedefed_wchar_test.cpp b/test/typedefed_wchar_test.cpp
index 62cf563..b945599 100644
--- a/test/typedefed_wchar_test.cpp
+++ b/test/typedefed_wchar_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2011-2022.
+//  Copyright Antony Polukhin, 2011-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/typedefed_wchar_test_runtime.cpp b/test/typedefed_wchar_test_runtime.cpp
index 5667f23..17211ba 100644
--- a/test/typedefed_wchar_test_runtime.cpp
+++ b/test/typedefed_wchar_test_runtime.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2011-2022.
+//  Copyright Antony Polukhin, 2011-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
diff --git a/test/wchars_test.cpp b/test/wchars_test.cpp
index c541fb7..f8eb679 100644
--- a/test/wchars_test.cpp
+++ b/test/wchars_test.cpp
@@ -2,7 +2,7 @@
 //
 //  See http://www.boost.org for most recent version, including documentation.
 //
-//  Copyright Antony Polukhin, 2011-2022.
+//  Copyright Antony Polukhin, 2011-2023.
 //
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file