diff --git a/CHANGELOG.md b/CHANGELOG.md
index 095a1f28..be411ba8 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).
 
-## [0.4.1] - Unreleased
+## [0.4.1] - 2019-05-29
 
 ### Added
 - Added `band-name` format to `load_collection` and `filter_bands` properties.
@@ -13,7 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `product`: Added exceptions and examples
 - Clarified error handling related to dimension parameters.
 
-## [0.4.0] - 2018-03-07
+## [0.4.0] - 2019-03-07
 First version which is separated from the openEO API. Complete rework of all processes.
 
 ## Legacy versions