diff --git a/CHANGELOG.md b/CHANGELOG.md
index 072fe4f75..3d109a130 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,18 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+[unreleased]: https://github.com/bottlerocket-os/twoliter/compare/v0.4.0...HEAD
+
+## [0.4.0] - 2024-06-17
+
+### Changed
+
+- Save each package in its own layer for external kits in Twoliter ([#297])
+- Docker pull before docker save for external kits in Twoliter ([#298])
+
+[#297]: https://github.com/bottlerocket-os/twoliter/pull/297
+[#298]: https://github.com/bottlerocket-os/twoliter/pull/298
+
 ## [0.3.0] - 2024-06-13
 
 ### Added
@@ -276,7 +288,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   Bottlerocket's `cargo make` build system.
 - `Makefile.toml` taken from the Bottlerocket project.
 
-[unreleased]: https://github.com/bottlerocket-os/twoliter/compare/v0.1.1...HEAD
 [0.1.1]: https://github.com/bottlerocket-os/twoliter/compare/v0.1.0...v0.1.1
 [0.1.0]: https://github.com/bottlerocket-os/twoliter/compare/v0.0.7...v0.1.0
 [0.0.7]: https://github.com/bottlerocket-os/twoliter/compare/v0.0.6...v0.0.7
diff --git a/Cargo.lock b/Cargo.lock
index 5546cc696..c7710d8f3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3788,7 +3788,7 @@ dependencies = [
 
 [[package]]
 name = "twoliter"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "anyhow",
  "async-recursion",
diff --git a/twoliter/Cargo.toml b/twoliter/Cargo.toml
index 7351a7112..c41eaf3c4 100644
--- a/twoliter/Cargo.toml
+++ b/twoliter/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "twoliter"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 description = "A command line tool for creating custom builds of Bottlerocket"
 authors = ["Matthew James Briggs <brigmatt@amazon.com>"]