diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5e7050ca1..e3bcd4017 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ CMAKE_MINIMUM_REQUIRED(VERSION 3.0)
 # Project configuration
 # ===========================================================================
 
-PROJECT(antaresXpansion VERSION 1.1.0)
+PROJECT(antaresXpansion VERSION 1.2.0)
 set(ANTARES_XPANSION_RC 0)
 
 # ===========================================================================
diff --git a/antares-version.json b/antares-version.json
index b9b8f0b57..52658ab5b 100644
--- a/antares-version.json
+++ b/antares-version.json
@@ -1,7 +1,7 @@
 {
   "antares_version": "8.8.0-rc2",
   "antares_version_executable": "8.8",
-  "antares_xpansion_version": "1.1.0",
+  "antares_xpansion_version": "1.2.0",
   "antares_deps_version": "2.0.7",
   "minizip_ng_version": "3.0.6"
 }
diff --git a/docs/changelog/CHANGELOG.md b/docs/changelog/CHANGELOG.md
index fa2410e7e..e6a412ad3 100644
--- a/docs/changelog/CHANGELOG.md
+++ b/docs/changelog/CHANGELOG.md
@@ -1,6 +1,19 @@
 Antares-Xpansion changelog
 =================
-v1.1 (TBA)
+
+v1.2 (10/2023)
+--------------------------------------------------------
+
+### Features
+
+- Support "named mps" from Antares simulator
+- Use Antares Simulator 8.8.0-rc2
+
+### Bug fixes
+
+- Fix issue on windows with concurrent access to log files
+
+v1.1 (09/2023)
 --------------------
 
 ### Features
diff --git a/sonar-project.properties b/sonar-project.properties
index 2db61e565..cea0584f4 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -1,7 +1,7 @@
 sonar.projectName=antares-xpansion
 sonar.projectKey=AntaresSimulatorTeam_antares-xpansion
 sonar.organization=antaressimulatorteam
-sonar.projectVersion=1.1.0
+sonar.projectVersion=1.2.0
 
 # =====================================================
 #   Properties that will be shared amongst all modules