diff --git a/npm/install.js b/npm/install.js
index f1522ce20308..35d55231b0a8 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 = '0.21.2'
+var version = '0.21.3'
 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'