diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61068bdf..a10fe5cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+
+## v3.21.2 - 2024-10-02
+
+* Use latest version of SwaggerUI by default, but allow it to be configured by @jarmo in https://github.com/open-api-spex/open_api_spex/pull/628
+* Exporting to YAML preserves nil values in examples by @zorbash in f3cd32bee2a
+
 ## v3.21.1 - 2024-09-17
 
 * Fix schema inspection argument error by @zorbash. https://github.com/open-api-spex/open_api_spex/issues/636
diff --git a/mix.exs b/mix.exs
index bcf3c0e9..e554052e 100644
--- a/mix.exs
+++ b/mix.exs
@@ -2,7 +2,7 @@ defmodule OpenApiSpex.Mixfile do
   use Mix.Project
 
   @source_url "https://github.com/open-api-spex/open_api_spex"
-  @version "3.21.1"
+  @version "3.21.2"
 
   def project do
     [