diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6759a67319..f051da2d5b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 ## [Unreleased](https://github.com/gravitystorm/openstreetmap-carto/compare/v4.21.0...master)
 
-## [v4.21.0](https://github.com/gravitystorm/openstreetmap-carto/compare/v4.20.0...v4.21.0)
+## [v4.21.0](https://github.com/gravitystorm/openstreetmap-carto/compare/v4.20.0...v4.21.0) - 2019-05-01
 ## Major changes
 - Removed unused `world_boundaries-spherical.tgz` file from scripts