Merge pull request #8 from marcobiedermann/feature/clean-css

Feature: Update clean-css

Author: David Narbutovich

package.json

@@ -35,7 +35,7 @@
 	},
 	"homepage": "https://github.com/retyui/clean-css-loader#readme",
 	"dependencies": {
-		"clean-css": "^4.1.4",
+		"clean-css": "^4.1.9",
 		"loader-utils": "^1.1.0"
 	},
 	"devDependencies": {