diff --git a/CHANGELOG.md b/CHANGELOG.md
index 11bddf3..66eea63 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,4 +5,6 @@ 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]
+## [1.0.0] - 2021-05-10
+
+- First release