diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 8d6e472..49a1c07 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{".":"1.1.0"}
+{".":"1.2.0"}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6483698..4925a0f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.2.0](https://github.com/iExecBlockchainComputing/web3-messaging-usecase-demo/compare/web3-messaging-usecase-demo-v1.1.0...web3-messaging-usecase-demo-v1.2.0) (2025-06-11)
+
+
+### 🚀 Features
+
+* add Google Tag Manager integration to index.html ([#115](https://github.com/iExecBlockchainComputing/web3-messaging-usecase-demo/issues/115)) ([65db1a7](https://github.com/iExecBlockchainComputing/web3-messaging-usecase-demo/commit/65db1a79c6863adb3c11cf99627747dad9dd2d36))
+
 ## [1.1.0](https://github.com/iExecBlockchainComputing/web3-messaging-usecase-demo/compare/web3-messaging-usecase-demo-v1.0.0...web3-messaging-usecase-demo-v1.1.0) (2025-04-22)
 
 
diff --git a/package-lock.json b/package-lock.json
index 7cd04ae..774b616 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "web3-messaging-usecase-demo",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "web3-messaging-usecase-demo",
-      "version": "1.1.0",
+      "version": "1.2.0",
       "dependencies": {
         "@fontsource-variable/anybody": "^5.2.5",
         "@fontsource-variable/mulish": "^5.2.5",
diff --git a/package.json b/package.json
index a729bac..48ab8b1 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "web3-messaging-usecase-demo",
   "private": true,
-  "version": "1.1.0",
+  "version": "1.2.0",
   "type": "module",
   "scripts": {
     "dev": "npm run dev:prod",