diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6f7b3c46..7e31bafa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+
+## [21.0.1] - 2022-12-17
 ### Fixed
 - [Java] Suppress warnings for missing javadoc ([#128](https://github.com/cucumber/messages/pull/128))
 
@@ -485,7 +487,8 @@ aggregated status.
 ### Added
 - Protobuf messages for Go, Java, JavaScript, TypeScript and Ruby
 
-[Unreleased]: https://github.com/cucumber/messages/compare/v21.0.0...main
+[Unreleased]: https://github.com/cucumber/messages/compare/v21.0.1...main
+[21.0.1]: https://github.com/cucumber/messages/compare/v21.0.0...main
 [21.0.0]: https://github.com/cucumber/messages/compare/v20.0.0...main
 [20.0.0]: https://github.com/cucumber/messages/compare/v19.1.4...main
 [19.1.4]: https://github.com/cucumber/messages/compare/v19.1.3...main
diff --git a/dotnet/Cucumber.Messages/Cucumber.Messages.csproj b/dotnet/Cucumber.Messages/Cucumber.Messages.csproj
index 6cc5510d..3d3900f4 100644
--- a/dotnet/Cucumber.Messages/Cucumber.Messages.csproj
+++ b/dotnet/Cucumber.Messages/Cucumber.Messages.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <PropertyGroup Label="Version">
-    <VersionNumber>21.0.0</VersionNumber>
+    <VersionNumber>21.0.1</VersionNumber>
     <Version Condition="'$(SnapshotSuffix)' != ''">$(VersionNumber)-$(SnapshotSuffix)</Version>
     <Version Condition="'$(SnapshotSuffix)' == ''">$(VersionNumber)</Version>
   </PropertyGroup>
diff --git a/elixir/mix.exs b/elixir/mix.exs
index 495d7efa..c1c985b7 100644
--- a/elixir/mix.exs
+++ b/elixir/mix.exs
@@ -7,7 +7,7 @@ defmodule CucumberMessages.MixProject do
   def project do
     [
       app: :cucumber_messages,
-      version: "21.0.0",
+      version: "21.0.1",
       name: "CucumberMessages",
       description: description(),
       package: package(),
diff --git a/java/pom.xml b/java/pom.xml
index 7a53e1ac..e98c080a 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -8,7 +8,7 @@
         <version>4.1.1</version>
     </parent>
     <artifactId>messages</artifactId>
-    <version>21.0.1-SNAPSHOT</version>
+    <version>21.0.1</version>
     <packaging>jar</packaging>
     <name>Cucumber Messages</name>
     <description>JSON schema-based messages for Cucumber's inter-process communication</description>
@@ -16,14 +16,14 @@
 
     <properties>
         <project.Automatic-Module-Name>io.cucumber.messages</project.Automatic-Module-Name>
-        <project.build.outputTimestamp>1671278476</project.build.outputTimestamp>
+        <project.build.outputTimestamp>1671286378</project.build.outputTimestamp>
     </properties>
 
     <scm>
         <connection>scm:git:git://github.com/cucumber/messages.git</connection>
         <developerConnection>scm:git:git@github.com:cucumber/messages.git</developerConnection>
         <url>git://github.com/cucumber/messages.git</url>
-        <tag>HEAD</tag>
+        <tag>v21.0.1</tag>
     </scm>
 
     <dependencyManagement>
diff --git a/javascript/package-lock.json b/javascript/package-lock.json
index ceb637f5..4cc5c234 100644
--- a/javascript/package-lock.json
+++ b/javascript/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@cucumber/messages",
-  "version": "21.0.0",
+  "version": "21.0.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@cucumber/messages",
-      "version": "21.0.0",
+      "version": "21.0.1",
       "license": "MIT",
       "dependencies": {
         "@types/uuid": "8.3.4",
diff --git a/javascript/package.json b/javascript/package.json
index deb581a7..03937d3f 100644
--- a/javascript/package.json
+++ b/javascript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@cucumber/messages",
-  "version": "21.0.0",
+  "version": "21.0.1",
   "description": "JSON schema-based messages for Cucumber's inter-process communication",
   "type": "module",
   "main": "dist/cjs/src/index.js",
diff --git a/javascript/src/version.ts b/javascript/src/version.ts
index 53e270b6..682f946d 100644
--- a/javascript/src/version.ts
+++ b/javascript/src/version.ts
@@ -1,2 +1,2 @@
 // This file is automatically generated using npm scripts
-export const version = '21.0.0'
+export const version = '21.0.1'
diff --git a/perl/VERSION b/perl/VERSION
index fb5b5130..a8f5438c 100644
--- a/perl/VERSION
+++ b/perl/VERSION
@@ -1 +1 @@
-21.0.0
+21.0.1
diff --git a/ruby/VERSION b/ruby/VERSION
index fb5b5130..a8f5438c 100644
--- a/ruby/VERSION
+++ b/ruby/VERSION
@@ -1 +1 @@
-21.0.0
+21.0.1