diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 214b32e99..a9c33375b 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.3.5
+current_version = 0.4.0
 
 [bumpversion:file:setup.cfg]
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d801d235b..4680a644a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,28 @@ 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).
 
+#### [v0.2.5](https://github.com/oceanprotocol/ocean-contracts/compare/v0.3.5...v0.2.5)
+
+> 29 August 2020
+
+- fix/clean-up [`#177`](https://github.com/oceanprotocol/ocean-contracts/pull/177)
+- Feature/community fee collector [`#176`](https://github.com/oceanprotocol/ocean-contracts/pull/176)
+- Fix/exchange-setup-assertion [`#173`](https://github.com/oceanprotocol/ocean-contracts/pull/173)
+- Remove naming of new Datatokens internally. Name and symbol now has t… [`#175`](https://github.com/oceanprotocol/ocean-contracts/pull/175)
+- add FixedPrice helpers [`#172`](https://github.com/oceanprotocol/ocean-contracts/pull/172)
+- Feature/ocean fee [`#167`](https://github.com/oceanprotocol/ocean-contracts/pull/167)
+- Fix publishing artifacts to pypi package [`#169`](https://github.com/oceanprotocol/ocean-contracts/pull/169)
+- feature/rename-spool-sfactory [`#170`](https://github.com/oceanprotocol/ocean-contracts/pull/170)
+- Feature/update fixed rate exchange docs [`#166`](https://github.com/oceanprotocol/ocean-contracts/pull/166)
+- Feature/update ddo docs [`#165`](https://github.com/oceanprotocol/ocean-contracts/pull/165)
+- Feature/DDOOwnershipTransfer [`#164`](https://github.com/oceanprotocol/ocean-contracts/pull/164)
+- On-chain history  [`#136`](https://github.com/oceanprotocol/ocean-contracts/pull/136)
+- Release/v0.3.5 [`#159`](https://github.com/oceanprotocol/ocean-contracts/pull/159)
+- update DDO events parameters [`#158`](https://github.com/oceanprotocol/ocean-contracts/pull/158)
+- prepare docs for release v0.4 [`3889a86`](https://github.com/oceanprotocol/ocean-contracts/commit/3889a86d7d8a9df448378674ef56937e6a05646d)
+- Rename SPool to BPool [`39b9400`](https://github.com/oceanprotocol/ocean-contracts/commit/39b94004764953844ac2bf4bd0112873a236f1ee)
+- remove converter [`dfe2bae`](https://github.com/oceanprotocol/ocean-contracts/commit/dfe2bae1404cf6361ff01866efc2df650c466c54)
+
 #### [v0.3.5](https://github.com/oceanprotocol/ocean-contracts/compare/v0.3.4...v0.3.5)
 
 > 18 August 2020
@@ -74,7 +96,7 @@ Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 - rename factory contract [`#118`](https://github.com/oceanprotocol/ocean-contracts/pull/118)
 - Fix/balancer contracts [`#117`](https://github.com/oceanprotocol/ocean-contracts/pull/117)
 - add missing files [`#116`](https://github.com/oceanprotocol/ocean-contracts/pull/116)
-- Add Balancer pool (BPool) and its factory (BFactory) [`#115`](https://github.com/oceanprotocol/ocean-contracts/pull/115)
+- Add Balancer pool (SPool) and its factory (SFactory) [`#115`](https://github.com/oceanprotocol/ocean-contracts/pull/115)
 - update artifacts [`c171545`](https://github.com/oceanprotocol/ocean-contracts/commit/c1715453d4949450cb04c84e9960d9f1fec23568)
 - fix compile [`680d886`](https://github.com/oceanprotocol/ocean-contracts/commit/680d8863ed9fd9a74e34a1c133261ec0a1ed0240)
 - add Balancer pool and its factory. The 'S' is for slave, as we will eventually have a master pool and factory too. [`ae78eb5`](https://github.com/oceanprotocol/ocean-contracts/commit/ae78eb52e413156439d0dcdb7fcff04700b2969f)
diff --git a/package-lock.json b/package-lock.json
index 4d463d76b..f1ee5c0fd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@oceanprotocol/contracts",
-  "version": "0.3.5",
+  "version": "0.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 7e48378c7..56e035ba7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@oceanprotocol/contracts",
-  "version": "0.3.5",
+  "version": "0.4.0",
   "description": "Ocean Protocol L1 - DataTokens",
   "bugs": {
     "url": "https://github.com/oceanprotocol/contracts/issues"
diff --git a/setup.cfg b/setup.cfg
index 0ab84dee4..ea160a92f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.3.5
+current_version = 0.4.0
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index ab46bc470..a5019a08a 100644
--- a/setup.py
+++ b/setup.py
@@ -50,6 +50,6 @@
     test_suite='tests',
     tests_require=test_requirements,
     url='https://github.com/oceanprotocol/ocean-contracts',
-    version='0.3.5',
+    version='0.4.0',
     zip_safe=False,
 )
\ No newline at end of file