diff --git a/package.json b/package.json
index a574c4a..df1f55b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "postcss-calc",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "description": "PostCSS plugin to reduce calc()",
   "keywords": [
     "css",