diff --git a/CHANGES.rst b/CHANGES.rst
index fd3d283..839f664 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,6 +4,15 @@ Changes
 Unreleased
 ----------
 
+Version 1.5.3
+-------------
+
+Released 2022-01-01
+
+- Add 2022 to copyright and license. `#205 <https://github.com/dajiaji/python-cwt/pull/205>`__
+- Fix link to homepage on PyPI. `#204 <https://github.com/dajiaji/python-cwt/pull/204>`__
+- Add license information to PyPI. `#204 <https://github.com/dajiaji/python-cwt/pull/204>`__
+
 Version 1.5.2
 -------------
 
diff --git a/LICENSE b/LICENSE
index 09961ee..9d3d63f 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2021 Ajitomi, Daisuke
+Copyright (c) 2021-2022 Ajitomi Daisuke
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/cwt/__init__.py b/cwt/__init__.py
index dd3c530..c468c1f 100644
--- a/cwt/__init__.py
+++ b/cwt/__init__.py
@@ -16,16 +16,16 @@
 from .recipient import Recipient
 from .signer import Signer
 
-__version__ = "1.5.2"
+__version__ = "1.5.3"
 __title__ = "cwt"
 __description__ = "A Python implementation of CWT/COSE"
 __url__ = "https://python-cwt.readthedocs.io"
 __uri__ = __url__
 __doc__ = __description__ + " <" + __uri__ + ">"
-__author__ = "AJITOMI Daisuke"
+__author__ = "Ajitomi Daisuke"
 __email__ = "ajitomi@gmail.com"
 __license__ = "MIT"
-__copyright__ = "Copyright 2021 AJITOMI Daisuke"
+__copyright__ = "Copyright 2021-2022 Ajitomi Daisuke"
 __all__ = [
     "encode",
     "encode_and_mac",
diff --git a/pyproject.toml b/pyproject.toml
index 2d02698..bb3c22f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "cwt"
-version = "1.5.2"
+version = "1.5.3"
 description = "A Python implementation of CWT/COSE."
 authors = ["Ajitomi Daisuke <dajiaji@gmail.com>"]
 license = "MIT"