diff --git a/CHANGELOG.md b/CHANGELOG.md
index 48cede0..c2c3782 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
 ## [0.3.0] - 2026-05-11
 
 ### Added
diff --git a/Cargo.lock b/Cargo.lock
index 87a2669..0ee13c6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1052,7 +1052,7 @@ checksum = "9844ddc3a6e533d62bba727eb6c28b5d360921d5175e9ff0f1e621a5c590a4d5"
 
 [[package]]
 name = "fips"
-version = "0.3.0"
+version = "0.4.0-dev"
 dependencies = [
  "bech32",
  "bluer",
diff --git a/Cargo.toml b/Cargo.toml
index 849b0f9..1121da9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fips"
-version = "0.3.0"
+version = "0.4.0-dev"
 edition = "2024"
 description = "A distributed, decentralized network routing protocol for mesh nodes connecting over arbitrary transports"
 license = "MIT"
diff --git a/README.md b/README.md
index 8580f64..796e735 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 ![banner](docs/logos/fips_banner.png)
 [![License: MIT](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
 [![Rust](https://img.shields.io/badge/rust-1.85%2B-orange.svg)](https://www.rust-lang.org/)
-[![Status](https://img.shields.io/badge/status-v0.3.0-green.svg)](#status--roadmap)
+[![Status](https://img.shields.io/badge/status-v0.4.0--dev-green.svg)](#status--roadmap)
 
 A self-organizing encrypted mesh network built on Nostr identities,
 capable of operating over arbitrary transports without central