diff --git a/package.json b/package.json
index f8cefc6..2cdc7c2 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "gulp-clean-css",
   "description": "Minify css with clean-css.",
   "homepage": "https://github.com/scniro/gulp-clean-css#readme",
-  "version": "4.1.1",
+  "version": "4.2.0",
   "author": "scniro",
   "license": "MIT",
   "bugs": {