diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8eec13f..f414b19 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,15 +4,19 @@ All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [1.0.0] - 2026-05-16
 
 ### Added
 
 - This is the initial release of the library.
 
+## [Unreleased]
+
+### Added
+
 ### Changed
 
 ### Removed
 
 [1.0.0]: https://code.geekeey.de/geekeey/request/releases/tag/1.0.0
-[Unreleased]: https://code.geekeey.de/geekeey/request/compare/1.0.0...HEAD
+[Unreleased]: https://code.geekeey.de/geekeey/request/compare/1.0.0...HEAD
\ No newline at end of file