diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5bb5085..8ac05ef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,7 @@ All notable changes to this project will be documented in this file.
 [semver]: https://semver.org/spec/v2.0.0.html
 [pkjjl]: https://pkgdocs.julialang.org/v1/compatibility/#compat-pre-1.0
 
-## [Unreleased]
+## [0.5.1] -- 2021-07-21
 ## Added
 - Allow user to specify locations as unique identifiers, instead of latitude and longitude (e.g. `us-state:IL` or `2018-us-county:17043`)
 - Add products report.