Update changelog

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3685624b1a5e1aa87c63d53014de903b360cc5a0..3f8c54118fa23e78c041435798403c9d7cee474c 100644 (file)
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@ The format is based on [Keep a Changelog][] and this project adheres to
 [Semantic Versioning]: http://semver.org/
 
 ## Unreleased
+
+## 0.4.0 - 2020-01-02
 ### Added
 - Top tea drinkers stats.
 - Top drinks stats.