diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1adb86d..d678de3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.3.0] - 2022-12-01
+### Changed
+- Updated minimum WordPress version to `5.9`: https://codex.wordpress.org/Supported_Versions.
+- Updated minimum PHP version to `8.0`: https://www.php.net/supported-versions.
+
+### Fixed
+- Error trim(): Passing null to parameter #1 ($string) of type string is deprecated on PHP 8.1. [#1](https://github.com/pronamic/wp-coding-standards/issues/1)
+
 ## [1.2.0] - 2022-04-12
 ### Changed
 - We deviate from the WordPress Coding Standards and switch to the short array syntax.
@@ -31,7 +39,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added relative exclude pattern `^wordpress/*` for the `wordpress` folder.
 - Added relative exclude pattern `^wp-content/*` for the `wp-content` folder.
 
-[Unreleased]: https://github.com/pronamic/wp-coding-standards/compare/1.2.0...HEAD
+[Unreleased]: https://github.com/pronamic/wp-coding-standards/compare/1.3.0...HEAD
+[1.3.0]: https://github.com/pronamic/wp-coding-standards/compare/1.2.0...1.3.0
 [1.2.0]: https://github.com/pronamic/wp-coding-standards/compare/1.1.0...1.2.0
 [1.1.0]: https://github.com/pronamic/wp-coding-standards/compare/1.0.0...1.1.0
 [1.0.0]: https://github.com/pronamic/wp-coding-standards/releases/tag/1.0.0