diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa28580..ec31d45 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## 0.16.0 — 2026-10-11
 
 - **Added.** OpenAPI 3.1 schemas now support `prefixItems`, `contains` with
   `minContains`/`maxContains`, `dependentRequired`, `dependentSchemas`, and