diff --git a/CHANGELOG.md b/CHANGELOG.md
index 708d7f0..00cfb92 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [2.2.0] - 2023-03-06
 ### Added
 - Add type hints to all public functions.
 
diff --git a/README.md b/README.md
index 224965b..fdea61b 100644
--- a/README.md
+++ b/README.md
@@ -8,5 +8,6 @@ can output HTML and auto select the best timezone based on user's IP.
 
 Visit https://doist.github.io/python-timezones/ for more information.
 
-Copyright: 2012-2022 by Doist
+Copyright: 2012-2023 by Doist
+
 License: MIT.
diff --git a/pyproject.toml b/pyproject.toml
index d82adba..c12700a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "timezones"
-version = "2.1.0"
+version = "2.2.0"
 description = "A Python library that provides better selection of common timezones, can output HTML and auto select the best timezone based on user's IP."
 license = "MIT"
 keywords = ["timezones", "timezone"]