update changelog

Author: RobinMalfait

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- Nothing yet!
+
+## [3.0.18] - 2022-01-28
+
 ### Fixed
 
 - Fix `@apply` order regression (in `addComponents`, `addUtilities`, ...) ([#7232](https://github.com/tailwindlabs/tailwindcss/pull/7232))
@@ -1832,7 +1836,8 @@ No release notes
 
 - Everything!
 
-[unreleased]: https://github.com/tailwindlabs/tailwindcss/compare/v3.0.17...HEAD
+[unreleased]: https://github.com/tailwindlabs/tailwindcss/compare/v3.0.18...HEAD
+[3.0.18]: https://github.com/tailwindlabs/tailwindcss/compare/v3.0.17...v3.0.18
 [3.0.17]: https://github.com/tailwindlabs/tailwindcss/compare/v3.0.16...v3.0.17
 [3.0.16]: https://github.com/tailwindlabs/tailwindcss/compare/v3.0.15...v3.0.16
 [3.0.15]: https://github.com/tailwindlabs/tailwindcss/compare/v3.0.14...v3.0.15