diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a834fd..fc2e6de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,10 +4,17 @@ 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).
 
+#### [0.6.7](https://github.com/izelnakri/eth/compare/0.6.6...0.6.7)
+
+- use Config module instead of Mix.Config [`2fcd303`](https://github.com/izelnakri/eth/commit/2fcd3034605d8c407459a24df938f611f2f167f1)
+
 #### [0.6.6](https://github.com/izelnakri/eth/compare/0.6.5...0.6.6)
 
+> 20 December 2022
+
 - EIP 155 chain id encoding [`#89`](https://github.com/izelnakri/eth/pull/89)
 - Update README.md to include latest version [`#60`](https://github.com/izelnakri/eth/pull/60)
+- Release 0.6.6 [`ca851a7`](https://github.com/izelnakri/eth/commit/ca851a7ce1b302c0f94b065984bef68d94d4b83c)
 - update npm release pkgs [`37dde1e`](https://github.com/izelnakri/eth/commit/37dde1e1e1dd4f81689998a4fb65837b81648fb9)
 - Add 'npm run test' for test suite [`7dfd324`](https://github.com/izelnakri/eth/commit/7dfd32435bfd17ec82fbbea270fb4e72a69e185b)
 
diff --git a/mix.exs b/mix.exs
index af85b14..d5dcc55 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule Eth.Mixfile do
   use Mix.Project
 
-  @version "0.6.6"
+  @version "0.6.7"
   @source_url "https://github.com/izelnakri/eth"
 
   def project() do
diff --git a/package-lock.json b/package-lock.json
index 1d08c37..a3d165e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "eth",
-  "version": "0.6.6",
+  "version": "0.6.7",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "eth",
-      "version": "0.6.6",
+      "version": "0.6.7",
       "license": "MIT",
       "devDependencies": {
         "@j-ulrich/release-it-regex-bumper": "^4.1.1",
diff --git a/package.json b/package.json
index 58f0b0d..490ee68 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "private": true,
   "name": "eth",
-  "version": "0.6.6",
+  "version": "0.6.7",
   "author": "Izel Nakri",
   "license": "MIT",
   "description": "[![Hex Version](http://img.shields.io/hexpm/v/eth.svg?style=flat)](https://hex.pm/packages/eth) [![Hex docs](http://img.shields.io/badge/hex.pm-docs-green.svg?style=flat)](https://hexdocs.pm/eth/ETH.html)",