diff --git a/keys.js b/keys.js
index 7777e32..3577748 100644
--- a/keys.js
+++ b/keys.js
@@ -159,6 +159,7 @@ var OTHER_KEYS = [
   'pageXOffset',
   'pageYOffset',
   'parent',
+  'performance',
   'postMessage',
   'print',
   'prompt',
diff --git a/package.json b/package.json
index 4d5fe87..4c623fb 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "jsdom-global",
   "description": "Enable DOM in Node.js",
-  "version": "3.0.2",
+  "version": "3.0.3",
   "author": "Rico Sta. Cruz <rico@ricostacruz.com>",
   "browser": "browser.js",
   "bugs": {