diff --git a/CHANGELOG.md b/CHANGELOG.md
index a61bb55..05e213f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 <!-- next-header -->
 ## [Unreleased] - ReleaseDate
+## [0.4.0] - 2020-06-04
 ### Added
 - [PR#9](https://github.com/EmbarkStudios/cfg-expr/pull/9) added the optional `targets` feature, which allows matching the various `target_` predicates against a [`target_lexicon::Triple`](https://docs.rs/target-lexicon/0.11.0/target_lexicon/struct.Triple.html).
 
@@ -34,7 +35,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Initial add of all the things
 
 <!-- next-url -->
-[Unreleased]: https://github.com/EmbarkStudios/cfg-expr/compare/0.3.0...HEAD
+[Unreleased]: https://github.com/EmbarkStudios/cfg-expr/compare/0.4.0...HEAD
+[0.4.0]: https://github.com/EmbarkStudios/cfg-expr/compare/0.3.0...0.4.0
 [0.3.0]: https://github.com/EmbarkStudios/cfg-expr/compare/0.2.1...0.3.0
 [0.2.1]: https://github.com/EmbarkStudios/cfg-expr/compare/0.2.0...0.2.1
 [0.2.0]: https://github.com/EmbarkStudios/cfg-expr/compare/0.1.0...0.2.0
diff --git a/Cargo.toml b/Cargo.toml
index 582d77d..018cb86 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "cfg-expr"
 description = "A parser and evaluator for Rust `cfg()` expressions."
 repository = "https://github.com/EmbarkStudios/cfg-expr"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["Embark <opensource@embark-studios.com>", "Jake Shadle <jake.shadle@embark-studios.com>"]
 edition = "2018"
 license = "MIT OR Apache-2.0"