docs: update changelog

Author: canvural

CHANGELOG.md

@@ -4,5 +4,23 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## [Unreleased]
 
+## [0.1.1]
+### Added
+- Support for `anyOf` keyword 
+
+### Changed
+- Upgraded doctrine/coding-standard to 8.1.0
+- Upgraded league/openapi-psr7-validator to 0.9.1
+
+### Fixed
+- Use max value for dates so faker will generate same date value for unit tests
+
+## [0.1.0] - 2020-06-15
+
+Initial release!
+
+[Unreleased]: https://github.com/canvural/php-openapi-faker/compare/0.1.1...HEAD
+[0.1.1]: https://github.com/canvural/php-openapi-faker/compare/0.1.1...0.1.0
+[0.1.0]: https://github.com/canvural/php-openapi-faker/releases/tag/0.1.0