@@ -41,7 +41,8 @@ All notable changes to this project will be documented in this file.
 
 **Note:** Start of changelog is 2019-08-27, [v3.0.2].
 
-[Unreleased]: https://github.com/googlemaps/google-maps-services-python/compare/3.1.4...HEAD
+[Unreleased]: https://github.com/googlemaps/google-maps-services-python/compare/4.0.0...HEAD
+[v4.0.0]: https://github.com/googlemaps/google-maps-services-python/compare/3.1.4...4.0.0
 [v3.1.4]: https://github.com/googlemaps/google-maps-services-python/compare/3.1.3...3.1.4
 [v3.1.3]: https://github.com/googlemaps/google-maps-services-python/compare/3.1.2...3.1.3
 [v3.1.2]: https://github.com/googlemaps/google-maps-services-python/compare/3.1.1...3.1.2