diff --git a/package.json b/package.json
index 8b1a14c..bbdf487 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "updeep",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "description": "Easily update nested frozen objects and arrays in a declarative and immutable manner.",
   "homepage": "https://github.com/aaronjensen/updeep",
   "repository": {