diff --git a/CHANGELOG.md b/CHANGELOG.md
index 15631a675f0a23031020a4c181638755b6cfefe5..e8da09d7b85a5d505ea7d70246c677e41b182bb9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [1.2.3] - 2024-04-17
+
+### Changed
+
+- Update opensilex version to 1.2.3
+- See the [version changelog](https://github.com/OpenSILEX/opensilex/releases/tag/1.2.3) for potential migration 
+  instructions
+
 ## [1.2.2] - 2024-03-05
 
 ### Changed
diff --git a/README.md b/README.md
index d5b5658e4a99072d8fa15dfb8825e9dc93a40a1b..5eb691dd6af40c0ffb780b44b9b70fd637d7c4d9 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ Following commands should work from everywhere in your system without errors:
 
   - RDF4J - 3.7.7
   - MongoDB - 5.0.19
-  - OpenSILEX - 1.2.2
+  - OpenSILEX - 1.2.3
 
 - Other managements softwares :
   - mongo-express (A web based gui for mongo) - 1.0.0-alpha.4
@@ -84,14 +84,14 @@ Following commands should work from everywhere in your system without errors:
 
 ## Installation steps
 
-This docker version is related to <a href="https://github.com/OpenSILEX/opensilex/releases/tag/1.2.2" target="_blank">1.2.2 OpenSILEX version</a>
+This docker version is related to <a href="https://github.com/OpenSILEX/opensilex/releases/tag/1.2.3" target="_blank">1.2.3 OpenSILEX version</a>
 
 ### Fresh new install (compose v2)
 
 Clone the repository to in order to get the project.
 
 ```bash
-git clone --branch 1.2.2 https://github.com/OpenSILEX/opensilex-docker-compose
+git clone --branch 1.2.3 https://github.com/OpenSILEX/opensilex-docker-compose
 cd opensilex-docker-compose
 ```
 
@@ -168,6 +168,10 @@ Expected configuration :
 
 ## Update opensilex version
 
+> Warning ! Before updating, if you already have a running version, please check the migration guides
+> between releases. You can find the migration instructions in the changelog for each release
+> (https://github.com/OpenSILEX/opensilex/tree/master/opensilex-doc/src/main/resources/release).
+
 You can do it in two steps : 
 
 - By modifying _opensilex.env_ file with this following configuration you will be able to change.
@@ -243,7 +247,7 @@ First, go to the previous directory and get the actual version of the repository
 
 ```bash
 # Go inside opensilex-docker-compose directory
-git checkout 1.2.2
+git checkout 1.2.3
 ```
 
 #### From previous version 1.0.0-rc+5.2 (compose v2)
diff --git a/opensilex.env b/opensilex.env
index a7436752edf4d912af4279ec3f2208421dcb915b..29dc3737e4a1b1cba7c6d619ca5119b6d59cd3ca 100644
--- a/opensilex.env
+++ b/opensilex.env
@@ -35,7 +35,7 @@ OPENSILEX_START_CMD=./bin/opensilex.sh server start --host=localhost --port=8081
 
 # VERSIONS
 HAPROXY_IMAGE_VERSION=2.6.6
-OPENSILEX_RELEASE_TAG=1.2.2
+OPENSILEX_RELEASE_TAG=1.2.3
 RDF4J_IMAGE_VERSION=3.7.7
 MONGO_IMAGE_VERSION=5.0.19
 MONGO_EXPRESS_IMAGE_VERSION=1.0.0-alpha.4