diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 81801ca..2af81b6 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,4 +1,4 @@
 {
-  ".": "0.1.0-alpha.3",
+  ".": "0.1.0-alpha.4",
   "dapp": "0.1.0-alpha.1"
 } 
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 447277c..bede2c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.1.0-alpha.4](https://github.com/iExecBlockchainComputing/web3telegram-sdk/compare/web3telegram-v0.1.0-alpha.3...web3telegram-v0.1.0-alpha.4) (2025-08-07)
+
+
+### Added
+
+* add support arbitrum mainnet ([7cf7580](https://github.com/iExecBlockchainComputing/web3telegram-sdk/commit/7cf7580810b8a70079bec34a014507f279ea7f97))
+
 ## [0.1.0-alpha.3](https://github.com/iExecBlockchainComputing/web3telegram-sdk/compare/web3telegram-v0.1.0-alpha.2...web3telegram-v0.1.0-alpha.3) (2025-07-31)
 
 
diff --git a/package-lock.json b/package-lock.json
index 6d6a409..b35e9b3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@iexec/web3telegram",
-  "version": "0.1.0-alpha.3",
+  "version": "0.1.0-alpha.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@iexec/web3telegram",
-      "version": "0.1.0-alpha.3",
+      "version": "0.1.0-alpha.4",
       "license": "Apache-2.0",
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
diff --git a/package.json b/package.json
index 3eb481a..2ea9738 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@iexec/web3telegram",
-  "version": "0.1.0-alpha.3",
+  "version": "0.1.0-alpha.4",
   "description": "Enables secure, blockchain-based messaging by encrypting Telegram user IDs for privacy. It lets users message Ethereum account holders without knowing their Telegram details.",
   "main": "./dist/index.js",
   "type": "module",