diff --git a/CHANGELOG.md b/CHANGELOG.md
index c0e82e2..1674f72 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]
+
+## [2.1.0] - 2021-04-12
 ### Added
 - Add delay time metric. Exposed to vm as a steal time.