diff --git a/CHANGELOG.md b/CHANGELOG.md
index 059b69025..77f26dac0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,9 +4,19 @@ 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).
 
+#### [v3.1.5-next.0](https://github.com/oceanprotocol/ocean.js/compare/v3.1.4...v3.1.5-next.0)
+
+- Bump crypto-js from 4.1.1 to 4.2.0 [`#1782`](https://github.com/oceanprotocol/ocean.js/pull/1782)
+- update min gas fee value [`2817315`](https://github.com/oceanprotocol/ocean.js/commit/2817315716c5cbc0171e6ca24cfb2f6b980ee417)
+- merge main [`83a8b7a`](https://github.com/oceanprotocol/ocean.js/commit/83a8b7a47052196a49a01c3fb3095fd21e9e2ae6)
+- add sepolia logic [`da2bdcc`](https://github.com/oceanprotocol/ocean.js/commit/da2bdcccdf0db90aa00f6b08d29d22c919259608)
+
 #### [v3.1.4](https://github.com/oceanprotocol/ocean.js/compare/v3.1.3...v3.1.4)
 
+> 24 October 2023
+
 - make sure we increment a number when working with nonces [`#1781`](https://github.com/oceanprotocol/ocean.js/pull/1781)
+- Release 3.1.4 [`b2e2cf2`](https://github.com/oceanprotocol/ocean.js/commit/b2e2cf24293af07f597c25e3a3e392db9caa381a)
 
 #### [v3.1.3](https://github.com/oceanprotocol/ocean.js/compare/v3.1.3-next.1...v3.1.3)
 
diff --git a/package-lock.json b/package-lock.json
index a90e75886..fb2c028ba 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@oceanprotocol/lib",
-  "version": "3.1.4",
+  "version": "3.1.5-next.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@oceanprotocol/lib",
-      "version": "3.1.4",
+      "version": "3.1.5-next.0",
       "license": "Apache-2.0",
       "dependencies": {
         "@oceanprotocol/contracts": "^1.1.14",
diff --git a/package.json b/package.json
index ab4f41e84..c8fc30b6a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@oceanprotocol/lib",
   "source": "./src/index.ts",
-  "version": "3.1.4",
+  "version": "3.1.5-next.0",
   "description": "JavaScript client library for Ocean Protocol",
   "main": "./dist/lib.js",
   "umd:main": "dist/lib.umd.js",