diff --git a/CHANGELOG.md b/CHANGELOG.md
index 80d87d45..2b2caf85 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ 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).
 
-## [Unreleased]
+## [0.4.0] - 2019-05-04
 ### Added
 - OpenVINO auto annotation: it is possible to upload a custom model and annotate images automatically.
 - Ability to rotate images/video in the client part (Ctrl+R, Shift+Ctrl+R shortcuts) (#305)