diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 11fea0f..8d6e472 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{".":"1.0.0"}
+{".":"1.1.0"}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a948dd..bb02062 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,40 +1,46 @@
 # Changelog
 
+## [1.1.0](https://github.com/iExecBlockchainComputing/whitelist-smart-contract/compare/v1.0.0...v1.1.0) (2025-07-24)
+
+### 🚀 Features
+
+* add arbitrum network config ([#28](https://github.com/iExecBlockchainComputing/whitelist-smart-contract/issues/28)) ([0742af6](https://github.com/iExecBlockchainComputing/whitelist-smart-contract/commit/0742af6e6d0bbda21876c1ec41674d030af73fee))
+
 ## [1.0.0] - 2025-07-23
 
 ### Added
 
-- GitHub Actions CI/CD pipeline
-- Hardhat Ignition deployment script
-- TypeChain support for improved type safety
+* GitHub Actions CI/CD pipeline
+* Hardhat Ignition deployment script
+* TypeChain support for improved type safety
 
 ### Changed
 
-- **[BREAKING]** Migrated from OpenZeppelin contracts v4 to v5
-- Updated Hardhat and related dependencies
-- Improved test structure using TypeChain factories
+* **[BREAKING]** Migrated from OpenZeppelin contracts v4 to v5
+* Updated Hardhat and related dependencies
+* Improved test structure using TypeChain factories
 
 ### Removed
 
-- Drone CI
+* Drone CI
 
 ## [0.2.1]
 
 ### Added
 
-- Load environment variables from `.env` file
+* Load environment variables from `.env` file
 
 ### Changed
 
-- Upgrade dependencies
+* Upgrade dependencies
 
 ## [0.2.0]
 
 ### Changed
 
-- **[BREAKING]** Fixed method name `addResourceToWhitelist`
-- **[BREAKING]** Fixed method name `removeResourceFromWhitelist`
-- Throw an error early when a script param is missing
-- Fixed TypeScript typing errors
+* **[BREAKING]** Fixed method name `addResourceToWhitelist`
+* **[BREAKING]** Fixed method name `removeResourceFromWhitelist`
+* Throw an error early when a script param is missing
+* Fixed TypeScript typing errors
 
 ## [0.1.0] Initial release
diff --git a/package-lock.json b/package-lock.json
index 1fb81cc..ddb5c9c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "whitelist-smart-contract",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "whitelist-smart-contract",
-      "version": "1.0.0",
+      "version": "1.1.0",
       "dependencies": {
         "@openzeppelin/contracts": "^5.4.0"
       },
diff --git a/package.json b/package.json
index d354e65..81cb45e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "whitelist-smart-contract",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "Whitelist smart contract to allow developers to not resign a sell order every time there's a new web3mail dapp being deployed.",
   "main": "index.ts",
   "scripts": {