Update changelog

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e749d58a6ea7e3b9dcf6606d4ba9717923ef6e17..a2c16091ccdc5f926606bb0bfef51437f12a545e 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 - 2020-07-23
 ### Added
 - Rotation of BicycleCar around the point.
 - Circle-line intersection.