diff --git a/CHANGELOG.md b/CHANGELOG.md
index aec7422..d07431d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## Unreleased
 
+## [1.0.0] - 2021-06-05
+
 ### Changed
 - Updated GitHub Actions to use Go 1.14
 - Updated dependencies and fixed path to sensu-plugin-sdk