diff --git a/CHANGELOG.md b/CHANGELOG.md
index 35dd95a..1452c34 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.0] - 2026-08-25
+
 * [PR-3](https://github.com/itk-dev/os2forms_f2/pull/3)
   Added DDEV based development setup
 
-[Unreleased]: https://github.com/itk-dev/os2forms_f2
+[Unreleased]: https://github.com/itk-dev/os2forms_f2/compare/1.0.0...HEAD
+[1.0.0]: https://github.com/itk-dev/os2forms_f2/releases/tag/1.0.0