diff --git a/package.json b/package.json
index 9bc9f27..1c9b814 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "colortranslator",
-  "version": "3.0.2",
+  "version": "4.0.0",
   "description": "A JavaScript library, written in TypeScript, to convert among different color models",
   "main": "index.js",
   "module": "esm/index.js",