diff --git a/package.json b/package.json
index d0a98cc..471753a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "multi-integer-range",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "description": "Parses and manipulates multiple comma-separated integer ranges (eg 1-3,8-10)",
   "repository": "https://github.com/smikitky/node-multi-integer-range.git",
   "main": "./lib/multi-integer-range.js",