diff --git a/CHANGELOG.md b/CHANGELOG.md
index 86e3401f..86bd82cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,12 @@ and this project adheres to
 
 ## [Unreleased]
 
+## [2.4.0] - 2025-03-06
+
+## Added
+
+- ✨(frontend) synchronize language-choice #401
+
 ## Changed
 
 - Use sentry tags instead of extra scope
diff --git a/src/backend/pyproject.toml b/src/backend/pyproject.toml
index 1cea5d36..3cb0a531 100644
--- a/src/backend/pyproject.toml
+++ b/src/backend/pyproject.toml
@@ -7,7 +7,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "impress"
-version = "2.3.0"
+version = "2.4.0"
 authors = [{ "name" = "DINUM", "email" = "dev@mail.numerique.gouv.fr" }]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
diff --git a/src/frontend/apps/e2e/package.json b/src/frontend/apps/e2e/package.json
index d7650ee0..44c683c0 100644
--- a/src/frontend/apps/e2e/package.json
+++ b/src/frontend/apps/e2e/package.json
@@ -1,6 +1,6 @@
 {
   "name": "app-e2e",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "private": true,
   "scripts": {
     "lint": "eslint . --ext .ts",
diff --git a/src/frontend/apps/impress/package.json b/src/frontend/apps/impress/package.json
index 6426259b..ddfced80 100644
--- a/src/frontend/apps/impress/package.json
+++ b/src/frontend/apps/impress/package.json
@@ -1,6 +1,6 @@
 {
   "name": "app-impress",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "private": true,
   "scripts": {
     "dev": "next dev",
diff --git a/src/frontend/package.json b/src/frontend/package.json
index 8b1eaaee..85334866 100644
--- a/src/frontend/package.json
+++ b/src/frontend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "impress",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "private": true,
   "workspaces": {
     "packages": [
diff --git a/src/frontend/packages/eslint-config-impress/package.json b/src/frontend/packages/eslint-config-impress/package.json
index 2d9f419f..85267ef2 100644
--- a/src/frontend/packages/eslint-config-impress/package.json
+++ b/src/frontend/packages/eslint-config-impress/package.json
@@ -1,6 +1,6 @@
 {
   "name": "eslint-config-impress",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "license": "MIT",
   "scripts": {
     "lint": "eslint --ext .js ."
diff --git a/src/frontend/packages/i18n/package.json b/src/frontend/packages/i18n/package.json
index fa5b4010..77df2f97 100644
--- a/src/frontend/packages/i18n/package.json
+++ b/src/frontend/packages/i18n/package.json
@@ -1,6 +1,6 @@
 {
   "name": "packages-i18n",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "private": true,
   "scripts": {
     "extract-translation": "yarn extract-translation:impress",
diff --git a/src/frontend/servers/y-provider/package.json b/src/frontend/servers/y-provider/package.json
index 623485d9..c17b868b 100644
--- a/src/frontend/servers/y-provider/package.json
+++ b/src/frontend/servers/y-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "server-y-provider",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "description": "Y.js provider for docs",
   "repository": "https://github.com/numerique-gouv/impress",
   "license": "MIT",
diff --git a/src/helm/helmfile.yaml b/src/helm/helmfile.yaml
index 80621da6..3ca3a081 100644
--- a/src/helm/helmfile.yaml
+++ b/src/helm/helmfile.yaml
@@ -93,4 +93,4 @@ releases:
 environments:
   dev:
     values:
-      - version: 2.3.0
+      - version: 2.4.0
diff --git a/src/helm/impress/Chart.yaml b/src/helm/impress/Chart.yaml
index 8afaf76d..297977be 100644
--- a/src/helm/impress/Chart.yaml
+++ b/src/helm/impress/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v2
 type: application
 name: docs
-version: 2.3.0
+version: 2.4.0
 appVersion: latest
diff --git a/src/mail/package.json b/src/mail/package.json
index f7fe6f1d..30d6f266 100644
--- a/src/mail/package.json
+++ b/src/mail/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mail_mjml",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "description": "An util to generate html and text django's templates from mjml templates",
   "type": "module",
   "dependencies": {