diff --git a/package.json b/package.json
index a4b8fd1..fad5335 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "typescript-fsa-reducers",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "description": "Fluent syntax for defining typesafe Redux reducers on top of typescript-fsa.",
   "main": "dist/index.js",
   "types": "dist/index",