diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68141ba..15be4f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,13 +5,19 @@ 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](https://github.com/Art4/WP-Requests-PSR18-Adapter/compare/1.0.0-beta.1...HEAD)
+## [Unreleased](https://github.com/Art4/WP-Requests-PSR18-Adapter/compare/1.0.0...HEAD)
+
+## [1.0.0](https://github.com/Art4/WP-Requests-PSR18-Adapter/compare/1.0.0-beta.1...1.0.0)
 
 ### Added
 
 - Add compatability with Requests v1
 - Add tests to improve test coverage
 
+### Fixed
+
+- Fixed a bug with providing the headers from the PSR-7 request to Requests.
+
 ## [1.0.0-beta.1](https://github.com/Art4/WP-Requests-PSR18-Adapter/compare/1.0.0-beta...1.0.0-beta.1)
 
 ### Added