diff --git a/package.json b/package.json
index 0710460..d03371b 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "grunt-contrib-concat": "^1.0.1",
     "grunt-contrib-connect": "^1.0.2",
     "grunt-contrib-copy": "^1.0.0",
-    "grunt-contrib-cssmin": "^2.2.0",
+    "grunt-contrib-cssmin": "^3.0.0",
     "grunt-contrib-htmlmin": "^2.4.0",
     "grunt-contrib-imagemin": "^2.0.1",
     "grunt-contrib-jshint": "^1.1.0",