diff --git a/CHANGES.md b/CHANGES.md
index ce140af..c9bc0c2 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,7 +4,7 @@ Nirum changelog
 Version 0.4.0
 -------------
 
-To be released.
+Released on May 25, 2018.
 
 ### Language