diff --git a/package-lock.json b/package-lock.json
index f33b507..0ec921a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "rewire",
-  "version": "3.0.2",
+  "version": "4.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index c06ad61..45f37ed 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rewire",
-  "version": "3.0.2",
+  "version": "4.0.0",
   "description": "Easy dependency injection for node.js unit testing",
   "keywords": [
     "dependency",