diff --git a/README.md b/README.md
index 2e4089d..47e32bc 100644
--- a/README.md
+++ b/README.md
@@ -142,7 +142,7 @@ Peer dependencies for each version:
 "react-router": "^2.0.0-rc4",
 ```
 
-#### 3.x
+#### 4.x
 
 [Babel](https://github.com/babel/babel) 6, [React Router](https://github.com/rackt/react-router) 2, [React Router Redux](https://github.com/rackt/react-router-redux) 3 (Redux Simple Router renamed) is available but optional.
 
diff --git a/package.json b/package.json
index 6a4a86e..b847785 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "description": "A universal redux renderer (ES6, Webpack, Express)",
   "author": "Buck DeFore <bdefore@gmail.com> (http://github.com/bdefore)",
   "license": "MIT",
-  "version": "3.0.3",
+  "version": "4.0.0",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/bdefore/universal-redux.git"