diff --git a/CHANGELOG.md b/CHANGELOG.md
index d3568ab..490611d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ 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]
+
+## [1.0.0] - 2022-01-23
 ### Added
 - GPLv3+ license
 
@@ -21,5 +23,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [0.1.0] - 2019-05-16
 
-[Unreleased]: https://github.com/fphammerle/pubmed-bibtex/compare/0.1.0...HEAD
+[Unreleased]: https://github.com/fphammerle/pubmed-bibtex/compare/1.0.0...HEAD
+[1.0.0]: https://github.com/fphammerle/pubmed-bibtex/compare/0.1.0...1.0.0
 [0.1.0]: https://github.com/fphammerle/pubmed-bibtex/releases/tag/0.1.0