diff --git a/CHANGELOG.md b/CHANGELOG.md
index d40150c..914fa2e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 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) after the 1.0.0 release.
 
+## 0.5.0 - 2022-02-20
+
+### Changed
+
+-   Changed the OAuth helper classes (#136)
+
 ## 0.4.0 - 2022-02-19
 
 ### Added
diff --git a/pyproject.toml b/pyproject.toml
index 970283e..b26bf2a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "iolite-client"
-version = "0.4.0"
+version = "0.5.0"
 description = "API client for interacting with IOLite's remote API"
 authors = ["Malachi Soord <me@malachisoord.com>"]
 license = "MIT"