diff --git a/package.json b/package.json
index 724c3dbd..74fcef90 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "whatwg-fetch",
   "description": "A window.fetch polyfill.",
-  "version": "1.1.0",
+  "version": "2.0.0",
   "main": "fetch.js",
   "repository": "github/fetch",
   "license": "MIT",