diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d823057..b3921afe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ 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]
+
+## [0.5.6] - 2023-12-18
 ### Fixed
 - Fixed bug when using the same column in the GROUP BY and an Aggregate function [#222](https://github.com/Qrlew/qrlew/issues/222)
 - Natural joins [#221](https://github.com/Qrlew/qrlew/issues/221)
diff --git a/Cargo.toml b/Cargo.toml
index 7f2966c2..6d746a92 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 authors = ["Nicolas Grislain <ng@sarus.tech>"]
 name = "qrlew"
-version = "0.5.5"
+version = "0.5.6"
 edition = "2021"
 description = "Sarus Qrlew Engine"
 documentation = "https://docs.rs/qrlew"