diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f15f3a..405e78b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,10 +7,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-## Fixed
+## [0.4.0] - 2023-12-20
+
+### Fixed
 
 - Removed BlueOne95 (except from screenshots)
 
+### Changed
+
+- Updated user agent
+- Updated requirements
+
 ## [0.3.0] - 2021-12-17
 
 ### Added
@@ -51,7 +58,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Initial release.
 - Added sensors for Euro95, Diesel and LPG prices.
 
-[unreleased]: https://github.com/metbril/home-assistant-brandstofprijzen/compare/v0.3.0...HEAD
+[unreleased]: https://github.com/metbril/home-assistant-brandstofprijzen/compare/v0.4.0...HEAD
+[0.4.0]: https://github.com/metbril/home-assistant-brandstofprijzen/compare/v0.3.0...v0.4.0
 [0.3.0]: https://github.com/metbril/home-assistant-brandstofprijzen/compare/v0.2.0...v0.3.0
 [0.2.0]: https://github.com/metbril/home-assistant-brandstofprijzen/compare/v0.1.2...v0.2.0
 [0.1.2]: https://github.com/metbril/home-assistant-brandstofprijzen/compare/v0.1.1...v0.1.2
diff --git a/custom_components/brandstofprijzen/__init__.py b/custom_components/brandstofprijzen/__init__.py
index 6801cd1..b14a248 100644
--- a/custom_components/brandstofprijzen/__init__.py
+++ b/custom_components/brandstofprijzen/__init__.py
@@ -2,7 +2,7 @@
 The Brandstofprijzen integration.
 
 Get fuel prices from United Consumers for Home Assistant
-Copyright (C) 2021, Robert van Bregt <mail@robertvanbregt.nl>
+Copyright (C) 2021-2023, Robert van Bregt <mail@robertvanbregt.nl>
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/custom_components/brandstofprijzen/manifest.json b/custom_components/brandstofprijzen/manifest.json
index f65017b..f212422 100644
--- a/custom_components/brandstofprijzen/manifest.json
+++ b/custom_components/brandstofprijzen/manifest.json
@@ -7,5 +7,5 @@
     "iot_class": "cloud_polling",
     "issue_tracker": "https://github.com/metbril/home-assistant-brandstofprijzen/issues",
     "requirements": ["beautifulsoup4==4.12.2"],
-    "version": "0.3.0"
+    "version": "0.4.0"
   }