diff --git a/CHANGELOG.md b/CHANGELOG.md
index 839bb770..c86f2e02 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,16 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+[Unreleased]
+
+### Added
+
+### Fixed
+
+### Changed
+
+### Removed
+
 ## [2.1.0] - 2023-10-03
 
 ### Added
@@ -158,6 +168,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [1.0.0] - 2021-09-21
 
+[Unreleased]: https://github.com/esp-rs/espflash/compare/v2.1.0...HEAD
 [2.1.0]: https://github.com/esp-rs/espflash/compare/v2.0.1...v2.1.0
 [2.0.1]: https://github.com/esp-rs/espflash/compare/v2.0.0...v2.0.1
 [2.0.0]: https://github.com/esp-rs/espflash/compare/v2.0.0-rc.4...v2.0.0
diff --git a/cargo-espflash/Cargo.toml b/cargo-espflash/Cargo.toml
index 21ee9584..0e7086a9 100644
--- a/cargo-espflash/Cargo.toml
+++ b/cargo-espflash/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cargo-espflash"
-version = "2.1.0"
+version = "2.1.1-dev"
 edition = "2021"
 rust-version = "1.70"
 description = "Cargo subcommand for flashing Espressif devices"
diff --git a/espflash/Cargo.toml b/espflash/Cargo.toml
index 5177f53d..5f58e9ff 100644
--- a/espflash/Cargo.toml
+++ b/espflash/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "espflash"
-version = "2.1.0"
+version = "2.1.1-dev"
 edition = "2021"
 rust-version = "1.70"
 description = "A command-line tool for flashing Espressif devices"