diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9feb8d2..a9e089c 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).
 
+## 4.0.0 (2021-10-27)
+
+### Changed
+
+- Migrate to SwiftPM. [#210](https://github.com/passepartoutvpn/tunnelkit/issues/210)
+
 ## 3.5.0 (2021-10-18)
 
 ### Added