diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 686a8399c..90437c9a6 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,9 +1,8 @@
 [bumpversion]
-current_version = 0.5.6
+current_version = 0.5.7
 
 [bumpversion:file:setup.cfg]
 
 [bumpversion:file:setup.py]
 
 [bumpversion:file:package.json]
-
diff --git a/CHANGELOG.md b/CHANGELOG.md
index aaa2d8ab4..57e2d2bbe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,12 +4,27 @@ 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).
 
+#### [v0.5.7](https://github.com/oceanprotocol/ocean-contracts/compare/v0.5.6...v0.5.7)
+
+> 22 October 2020
+
+- Feature/mainnet deployment [`#250`](https://github.com/oceanprotocol/ocean-contracts/pull/250)
+- v0.5.6 [`#247`](https://github.com/oceanprotocol/ocean-contracts/pull/247)
+- mainnet deployment [`d14b753`](https://github.com/oceanprotocol/ocean-contracts/commit/d14b753eb2be95b4f436b798fd6e0c3b40f4adea)
+- prepare for a new release [`d4e8292`](https://github.com/oceanprotocol/ocean-contracts/commit/d4e8292e0fe4d3ba69b2c77072bb35635a3f54bf)
+- rebase the rinkeby addresses [`9418606`](https://github.com/oceanprotocol/ocean-contracts/commit/9418606a2abf697d87f9f430cb7c4bb44dee25c4)
+
 #### [v0.5.6](https://github.com/oceanprotocol/ocean-contracts/compare/v0.5.5...v0.5.6)
 
+> 14 October 2020
+
 - Fix/token template cap [`#245`](https://github.com/oceanprotocol/ocean-contracts/pull/245)
 - Fix/minor-docs-issues [`#246`](https://github.com/oceanprotocol/ocean-contracts/pull/246)
 - Fix missing address.json [`#243`](https://github.com/oceanprotocol/ocean-contracts/pull/243)
 - Fix/rinkeby addresses [`#239`](https://github.com/oceanprotocol/ocean-contracts/pull/239)
+- revert package-lock file changes except for the release version [`fae5f11`](https://github.com/oceanprotocol/ocean-contracts/commit/fae5f11594058dd8d6ef8260d2b79fcee23fa748)
+- fix lint error [`c3e61e3`](https://github.com/oceanprotocol/ocean-contracts/commit/c3e61e3600dfeece9f6960f013d8a15c24947c60)
+- update changelog. [`03577de`](https://github.com/oceanprotocol/ocean-contracts/commit/03577de4a130aee998bc0c22354f0ac7ea6aec57)
 
 #### [v0.5.5](https://github.com/oceanprotocol/ocean-contracts/compare/v0.5.4...v0.5.5)
 
diff --git a/package-lock.json b/package-lock.json
index b3133afcd..f7dfc0175 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@oceanprotocol/contracts",
-  "version": "0.5.6",
+  "version": "0.5.7",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index b6a8c7d35..be9fa9b37 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@oceanprotocol/contracts",
-  "version": "0.5.6",
+  "version": "0.5.7",
   "description": "Ocean Protocol L1 - DataTokens",
   "bugs": {
     "url": "https://github.com/oceanprotocol/contracts/issues"
@@ -80,7 +80,7 @@
     "release-it": "^13.6.2",
     "solc": "^0.5.7",
     "solidity-coverage": "0.7.5",
-    "solidity-docgen": "^0.5.6",
+    "solidity-docgen": "^0.5.7",
     "solium": "^1.2.5",
     "solium-plugin-security": "^0.1.1",
     "truffle": "^5.1.43",
diff --git a/setup.cfg b/setup.cfg
index 0b01c3790..895967f4d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.5.6
+current_version = 0.5.7
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index 361e90ec5..ccfd129ad 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='0.5.6',
+    version='0.5.7',
     zip_safe=False,
 )
\ No newline at end of file