diff --git a/package.json b/package.json
index ed4ce30..04cd8d4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "postcss-cli",
-  "version": "3.2.0",
+  "version": "4.0.0",
   "description": "CLI for PostCSS",
   "main": "index.js",
   "engines": {