diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5e6f8bd85..4fed2c796 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 inspired from [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and the versioning aims to respect [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [2.X.X] - 20XX-XX-XX
+## [2.2.0] - 2024-03-04
 
 ### Added
 - economic instrument, voluntary agreement, voluntary agreement instrument, regulatory instrument, information instrument, education instrument (#1786)
@@ -28,8 +28,6 @@ and the versioning aims to respect [Semantic Versioning](http://semver.org/spec/
 - forecasting model calculation (#1799)
 - uo-extracted.owl (#1820)
 
-### Removed
-
 ## [2.1.0] - 2023-12-05
 
 ### Added
diff --git a/CITATION.cff b/CITATION.cff
index b02cf83cf..d2912281b 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -154,7 +154,7 @@ authors:
 title: "Open Energy Ontology (OEO)"
 type: software
 license: CC0-1.0
-version: 2.1.0
+version: 2.2.0
 doi:
-date-released: 2023-12-05
+date-released: 2024-03-04
 url: "https://github.com/OpenEnergyPlatform/ontology"
diff --git a/VERSION b/VERSION
index 7ec1d6db4..ccbccc3dc 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.1.0
+2.2.0