diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb27937..e77c311 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org).
 
 ## [Unreleased]
 
+## [0.4.0] - 2026-08-01
+
 ### Added
 
 - Calendar events in the interactive TUI now open into a scrollable detail view