diff --git a/CHANGELOG.md b/CHANGELOG.md
index 560896b2487db62a4cf6ea81b2e678cb9ec5eb60..5343c185047b7a1021c10f8cd959e522508e2b86 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ 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/).
 
+## [1.2.5] - 2024-05-15
+
+### Changed
+
+- Update opensilex version to 1.2.5
+- See the [version changelog](https://github.com/OpenSILEX/opensilex/releases/tag/1.2.5)
+
 ## [1.2.4] - 2024-04-17
 
 ### Changed
diff --git a/README.md b/README.md
index bdac7f2789180424177b3a1123b37f91558a76b2..ca48947983e68770e8581d7c84d49fabdfe424b6 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 - 1.2.4
+  - OpenSILEX - 1.2.5
 
 - 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/1.2.4" target="_blank">1.2.4 OpenSILEX version</a>
+This docker version is related to <a href="https://github.com/OpenSILEX/opensilex/releases/tag/1.2.5" target="_blank">1.2.5 OpenSILEX version</a>
 
 ### Fresh new install (compose v2)
 
 Clone the repository to in order to get the project.
 
 ```bash
-git clone --branch 1.2.4 https://github.com/OpenSILEX/opensilex-docker-compose
+git clone --branch 1.2.5 https://github.com/OpenSILEX/opensilex-docker-compose
 cd opensilex-docker-compose
 ```
 
@@ -247,7 +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 1.2.4
+git checkout 1.2.5
 ```
 
 #### From previous version 1.0.0-rc+5.2 (compose v2)
diff --git a/opensilex.env b/opensilex.env
index 61c35cea9052d623b82d2639e2f001269fbf1485..ec60d854b6b435b49170abbc6d78724ac4570ade 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=1.2.4
+OPENSILEX_RELEASE_TAG=1.2.5
 RDF4J_IMAGE_VERSION=3.7.7
 MONGO_IMAGE_VERSION=5.0.19
 MONGO_EXPRESS_IMAGE_VERSION=1.0.0-alpha.4