diff --git a/CHANGELOG.md b/CHANGELOG.md
index 55a2e5894..d0713b1dc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## Unreleased
 
+## [0.21.0] - 2024-01-05
+
 ### Added
 
 - Load remix functionality (#804)
@@ -655,7 +657,8 @@ 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/v0.20.0...HEAD
+[unreleased]: https://github.com/RaspberryPiFoundation/editor-ui/compare/v0.21.0...HEAD
+[0.21.0]: https://github.com/RaspberryPiFoundation/editor-ui/releases/tag/v0.21.0
 [0.20.0]: https://github.com/RaspberryPiFoundation/editor-ui/releases/tag/v0.20.0
 [0.19.4]: https://github.com/RaspberryPiFoundation/editor-ui/releases/tag/v0.19.4
 [0.19.3]: https://github.com/RaspberryPiFoundation/editor-ui/releases/tag/v0.19.3
diff --git a/package.json b/package.json
index 3930681c1..83e7f94b3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@raspberrypifoundation/editor-ui",
-  "version": "0.20.0",
+  "version": "0.21.0",
   "private": true,
   "dependencies": {
     "@apollo/client": "^3.7.8",