diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c806083..4678b059 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,8 +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).
 
+#### [v0.3.1](https://github.com/oceanprotocol/ocean-lib-js/compare/v0.3.0...v0.3.1)
+
+- replace lzma library [`#311`](https://github.com/oceanprotocol/ocean-lib-js/pull/311)
+- refactor getting local contract addresses [`#312`](https://github.com/oceanprotocol/ocean-lib-js/pull/312)
+- make it work with lzma-native [`2896a8e`](https://github.com/oceanprotocol/ocean-lib-js/commit/2896a8e24f8469e2590ccdab13c45c8c3a942a8e)
+- test lz-string [`7188f33`](https://github.com/oceanprotocol/ocean-lib-js/commit/7188f337076278ea4ca52c9e9401b37d8e035196)
+- use limited, compress-only version of lzma.js [`3b8858a`](https://github.com/oceanprotocol/ocean-lib-js/commit/3b8858a201329fc3489b0d72ebfd86e5e0362003)
+
 #### [v0.3.0](https://github.com/oceanprotocol/ocean-lib-js/compare/v0.2.5...v0.3.0)
 
+> 23 September 2020
+
 - fix getOwnerAssets response [`#308`](https://github.com/oceanprotocol/ocean-lib-js/pull/308)
 - use dtAddress as did, update metadata contract [`#309`](https://github.com/oceanprotocol/ocean-lib-js/pull/309)
 - Feature/custom provider [`#288`](https://github.com/oceanprotocol/ocean-lib-js/pull/288)
diff --git a/package-lock.json b/package-lock.json
index 06506046..6e7adb2e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@oceanprotocol/lib",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index a6748457..b7f224b8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@oceanprotocol/lib",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "JavaScript client library for Ocean Protocol",
   "main": "./dist/node/lib.js",
   "typings": "./dist/node/lib.d.ts",