diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e90a900d..f1c8fd570 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ 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, at least loosely, adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## [0.9.0] 2022-06-24
 ### Changed
 - `model.phase()` now defaults to `abs_phase=True` when TZR* params are in the model
 - TOAs no longer need to be grouped by observatory