diff --git a/modules/core/context.js b/modules/core/context.js
index 0d5e76edd..21087728a 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 = '2.20.3';
+  context.version = '2.21.0-dev';
   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 65e6bb18e..8ae927375 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "iD",
-  "version": "2.20.3",
+  "version": "2.21.0-dev",
   "description": "A friendly editor for OpenStreetMap",
   "main": "dist/iD.min.js",
   "repository": "github:openstreetmap/iD",