diff --git a/CHANGELOG.md b/CHANGELOG.md
index c5bc8830..0cbd31c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Release Notes
 
-## [Unreleased](https://github.com/laravel/horizon/compare/v3.7.2...4.x)
+## [Unreleased](https://github.com/laravel/horizon/compare/v4.0.0...4.x)
+
+
+## [v4.0.0 (2020-03-03)](https://github.com/laravel/horizon/compare/v3.7.2...v4.0.0)
 
 ### Added
 - Add 'view details' to tag-jobs screen ([#775](https://github.com/laravel/horizon/pull/775))