diff --git a/changelog.md b/changelog.md
index d008b2f..68c0515 100644
--- a/changelog.md
+++ b/changelog.md
@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## Unreleased
+## v0.4.0 (2023-06-27)
 
 ### New feature
 
diff --git a/package.json b/package.json
index 9787735..1414818 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@archwayhq/arch3.js",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "description": "The all-in-one library for your awesome Archway dApp",
   "homepage": "https://docs.archway.io",
   "repository": "github:archway-network/arch3.js",
diff --git a/packages/arch3-core/package.json b/packages/arch3-core/package.json
index a24f637..a08e79e 100644
--- a/packages/arch3-core/package.json
+++ b/packages/arch3-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@archwayhq/arch3-core",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "description": "Core library to interact with Archway Network",
   "homepage": "https://docs.archway.io",
   "repository": "github:archway-network/arch3.js",
diff --git a/packages/arch3-proto/package.json b/packages/arch3-proto/package.json
index 569bc03..865ab02 100644
--- a/packages/arch3-proto/package.json
+++ b/packages/arch3-proto/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@archwayhq/arch3-proto",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "description": "Archway Protobuf client",
   "homepage": "https://github.com/jsoneaday/arch3-proto#readme",
   "repository": "https://github.com/jsoneaday/arch3-proto",