diff --git a/CHANGES.txt b/CHANGES.txt
index ca2a99a..6a7ab18 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,4 @@
-# unreleased
+## v0.4.1 - 20 Jun 2022
 * Support OCaml 5 new Unix primitive names
 
 ## v0.4.0 - 04 Fev 2022