diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac0ca04..f91ba3e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,20 @@ 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).
 
+## 0.5.0 - 2026-03-26
+
+### Added
+- ✨ Add tokio feature for std environment support.
+
+### Changed
+- 🏗️ Split macro into a separate sub-crate, firmware-controller-macros.
+
+### Fixed
+- 🩹 Remove an unnecessary `mut`.
+
+### Other
+- 🦺 Embrace singleton behavior & remove the footgun.
+
 ## 0.4.2 - 2025-12-19
 
 * Add poll_seconds, poll_millis & poll_micros attributes. These attributes could be used to declare