update changelog

Author: RobinMalfait

CHANGELOG.md

@@ -9,6 +9,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Nothing yet!
 
+## [0.4.0] - 2021-12-09
+
+### Added
+
+- Make sure that Tailwind CSS v3 is in peerDependencies ([ae97a25](https://github.com/tailwindlabs/tailwindcss-aspect-ratio/commit/ae97a25))
+
 ## [0.3.0] - 2021-10-05
 
 ### Added
@@ -61,7 +67,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Initial release!
 
-[unreleased]: https://github.com/tailwindlabs/tailwindcss-aspect-ratio/compare/v0.2.2...HEAD
+[unreleased]: https://github.com/tailwindlabs/tailwindcss-aspect-ratio/compare/v0.4.0...HEAD
+[0.4.0]: https://github.com/tailwindlabs/tailwindcss-aspect-ratio/compare/v0.3.0...v0.4.0
+[0.3.0]: https://github.com/tailwindlabs/tailwindcss-aspect-ratio/compare/v0.2.2...v0.3.0
 [0.2.2]: https://github.com/tailwindlabs/tailwindcss-aspect-ratio/compare/v0.2.1...v0.2.2
 [0.2.1]: https://github.com/tailwindlabs/tailwindcss-aspect-ratio/compare/v0.2.0...v0.2.1
 [0.2.0]: https://github.com/tailwindlabs/tailwindcss-aspect-ratio/compare/v0.1.4...v0.2.0