diff --git a/CHANGELOG.md b/CHANGELOG.md
index 932f6b88a..96afe57d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,9 @@ 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).
 
-## Unreleased
+## [Unreleased]
+
+## [0.34.2] - 2025-12-09
 
 ### Added
 
@@ -1214,7 +1216,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 - Events in Web Component indicating whether Mission Zero criteria have been met (#113)
 
-[unreleased]: https://github.com/RaspberryPiFoundation/editor-ui/compare/v0.34.1...HEAD
+[unreleased]: https://github.com/RaspberryPiFoundation/editor-ui/compare/v0.34.2...HEAD
+[0.34.2]: https://github.com/RaspberryPiFoundation/editor-ui/releases/tag/v0.34.2
 [0.34.1]: https://github.com/RaspberryPiFoundation/editor-ui/releases/tag/v0.34.1
 [0.34.0]: https://github.com/RaspberryPiFoundation/editor-ui/releases/tag/v0.34.0
 [0.33.0]: https://github.com/RaspberryPiFoundation/editor-ui/releases/tag/v0.33.0
diff --git a/package.json b/package.json
index 660a3bf2a..8a8573118 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@raspberrypifoundation/editor-ui",
-  "version": "0.34.1",
+  "version": "0.34.2",
   "private": true,
   "dependencies": {
     "@apollo/client": "^3.7.8",