diff --git a/CHANGELOG.md b/CHANGELOG.md
index 13c5151f58..88a45e75a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -39,7 +39,8 @@ _Breaking developer changes, which may affect downstream projects or sites that
 -->
 
 
-# Unreleased
+# 2.21.0
+##### 2022-Jun-03
 
 #### :newspaper: News
 * Drop legacy support for Internet Explorer 11 ([#8811])
diff --git a/modules/core/context.js b/modules/core/context.js
index 21087728a9..6ba9783ad5 100644
--- a/modules/core/context.js
+++ b/modules/core/context.js
@@ -25,7 +25,7 @@ export function coreContext() {
   let context = utilRebind({}, dispatch, 'on');
   let _deferred = new Set();
 
-  context.version = '2.21.0-dev';
+  context.version = '2.21.0';
   context.privacyVersion = '20201202';
 
   // iD will alter the hash so cache the parameters intended to setup the session
diff --git a/package.json b/package.json
index 01d5f5072d..f1b3078001 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "iD",
-  "version": "2.21.0-dev",
+  "version": "2.21.0",
   "description": "A friendly editor for OpenStreetMap",
   "main": "dist/iD.min.js",
   "repository": "github:openstreetmap/iD",