diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd8dccf9..53ee5f77 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ 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).
 
+## v3.20.1 - 2024-07-31
+
+* Support custom error messages in custom validators by @GregorGrasselli in https://github.com/open-api-spex/open_api_spex/pull/621
+* Update Schema.example/2 typespec to allow references by @zorbash in 5ec452f
+
 ## v3.20.0 - 2024-07-10
 
 * Respect minLength when generating string examples by @zorbash in https://github.com/open-api-spex/open_api_spex/pull/608
diff --git a/README.md b/README.md
index d3933eff..49823306 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ The package can be installed by adding `:open_api_spex` to your list of dependen
 ```elixir
 def deps do
   [
-    {:open_api_spex, "~> 3.18"}
+    {:open_api_spex, "~> 3.20"}
   ]
 end
 ```
diff --git a/mix.exs b/mix.exs
index ab0be5fd..dbb1c193 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 "3.20.0"
+  @version "3.20.1"
 
   def project do
     [