diff --git a/package.json b/package.json
index 78c9933b..a4b276e1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "analyze-css",
-  "version": "0.13.0",
+  "version": "1.0.0",
   "author": "Maciej Brencz <maciej.brencz@gmail.com> (https://github.com/macbre)",
   "description": "CSS selectors complexity and performance analyzer",
   "main": "./lib/index.js",