diff --git a/npm/install.js b/npm/install.js
index 9c30311888d..d512778d4ea 100755
--- a/npm/install.js
+++ b/npm/install.js
@@ -12,7 +12,7 @@ if ('win32' === platform) {
   // 64-bit is not available under windows.
   arch = 'ia32';
 }
-var version = '0.20.8'
+var version = '0.21.0'
 var name = 'atom-shell-v'+version+'-'+platform+'-'+arch+'.zip'
 var url = 'https://github.com/atom/atom-shell/releases/download/v'+version+'/atom-shell-v'+version+'-'+platform+'-'+arch+'.zip'
 
diff --git a/npm/package.json b/npm/package.json
index e9cb6b3af14..6b60bf6d97a 100644
--- a/npm/package.json
+++ b/npm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "atom-shell",
-  "version": "0.20.8",
+  "version": "0.21.0",
   "description": "Install atom-shell prebuilts using npm",
   "repository": {
     "type": "git",