diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ecf872a..20bd1027 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,10 +4,18 @@ All notable changes to this project will be documented in this file. Dates are d
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+#### [v2.4.0](https://github.com/oceanprotocol/ocean.js/compare/v2.3.0...v2.4.0)
+
+- bump @oceanprotocol/contracts to v1.1.8 [`#1638`](https://github.com/oceanprotocol/ocean.js/pull/1638)
+- increase gas multiplier on polygon [`#1637`](https://github.com/oceanprotocol/ocean.js/pull/1637)
+
 #### [v2.3.0](https://github.com/oceanprotocol/ocean.js/compare/v2.2.3...v2.3.0)
 
+> 19 October 2022
+
 - Update Provider.checkFileUrl to allow non-URL file types (like Arweave) [`#1627`](https://github.com/oceanprotocol/ocean.js/pull/1627)
 - add new nft state [`#1636`](https://github.com/oceanprotocol/ocean.js/pull/1636)
+- Release 2.3.0 [`666bf42`](https://github.com/oceanprotocol/ocean.js/commit/666bf428489e9a07c2118a99b12a9871da5e0794)
 
 #### [v2.2.3](https://github.com/oceanprotocol/ocean.js/compare/v2.2.2...v2.2.3)
 
diff --git a/package-lock.json b/package-lock.json
index 5540bebd..b0085b83 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@oceanprotocol/lib",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@oceanprotocol/lib",
-      "version": "2.3.0",
+      "version": "2.4.0",
       "license": "Apache-2.0",
       "dependencies": {
         "@oceanprotocol/contracts": "^1.1.8",
diff --git a/package.json b/package.json
index 9481e736..a4392e2e 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@oceanprotocol/lib",
   "source": "./src/index.ts",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "description": "JavaScript client library for Ocean Protocol",
   "main": "./dist/lib.js",
   "umd:main": "dist/lib.umd.js",