diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1970509..388a9d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## 0.5.0 — 2026-08-16
 
 - Added fluent `auto()`: a generator is derived from the property closure's
   own signature for every parameter the `forAll()` map does not cover, via