diff --git a/package.json b/package.json
index 9bbe43d..d0f151f 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "gulp-jscs-stylish": "^1.3.0",
     "jshint": "^2.9.1",
     "gulp-jshint": "^2.0.0",
-    "gulp-clean-css": "^2.0.4",
+    "gulp-clean-css": "^3.3.0",
     "gulp-minify-html": "^1.0.6",
     "gulp-nice-package": "^1.1.0",
     "gulp-notify": "^2.2.0",