diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb403ab..8e8d5fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,11 +7,18 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [unreleased]
 
+## [0.4.0]
+
+### Changed
+
+- `NamedLockGuard` is now an owned and sendable type ([#9](https://github.com/oblique/named-lock/pull/9))
+- Migrate from `winapi` to `windows-rs`
+
 ## [0.3.0]
 
 ### Changed
 
-- `NamedLock::create` now rejects names that contain `\0` character ([#5])
+- `NamedLock::create` now rejects names that contain `\0` character ([#5](https://github.com/oblique/named-lock/issues/5))
 - `NamedLock::create` now rejects empty names
 - Upgrade all dependencies
 
@@ -19,22 +26,27 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- Added `NamedLock::with_path` on UNIX ([#2], [#4])
+- Added `NamedLock::with_path` on UNIX (
+   [#2](https://github.com/oblique/named-lock/issues/2),
+   [#4](https://github.com/oblique/named-lock/issues/4)
+   )
 
 ### Changed
 
-- `NamedLock::create` on UNIX respects `TMPDIR` environment variable ([#1], [#4])
-- `NamedLock::create` now rejects names that contain `/` or `\` characters ([#2], [#4])
+- `NamedLock::create` on UNIX respects `TMPDIR` environment variable (
+   [#1](https://github.com/oblique/named-lock/issues/1),
+   [#2](https://github.com/oblique/named-lock/issues/2)
+   )
+- `NamedLock::create` now rejects names that contain `/` or `\` characters (
+   [#2](https://github.com/oblique/named-lock/issues/2),
+   [#4](https://github.com/oblique/named-lock/issues/4)
+   )
 - `NamedLock::create` on Windows explicitly creates a global mutex
 - `Error::CreateFailed` now has the source of the error
 - Upgrade all dependencies
 
 
-[unreleased]: https://github.com/oblique/named-lock/compare/0.3.0...HEAD
-[0.2.0]: https://github.com/oblique/named-lock/compare/0.1.1...0.2.0
+[unreleased]: https://github.com/oblique/named-lock/compare/0.4.0...HEAD
+[0.4.0]: https://github.com/oblique/named-lock/compare/0.3.0...0.4.0
 [0.3.0]: https://github.com/oblique/named-lock/compare/0.2.0...0.3.0
-
-[#5]: https://github.com/oblique/named-lock/issues/5
-[#4]: https://github.com/oblique/named-lock/issues/4
-[#2]: https://github.com/oblique/named-lock/issues/2
-[#1]: https://github.com/oblique/named-lock/issues/1
+[0.2.0]: https://github.com/oblique/named-lock/compare/0.1.1...0.2.0
diff --git a/Cargo.toml b/Cargo.toml
index d38053d..3cd738f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "named-lock"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["oblique <psyberbits@gmail.com>"]
 edition = "2018"
 license = "MIT"