diff --git a/docs/changelog.txt b/docs/changelog.txt
index 03a3c16..56d2a59 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -1,7 +1,7 @@
 Changelog
 =========
 
-v4.0 (unreleased)
+v4.0 (2022-08-29)
 -----------------
 
 .. warning::