diff --git a/package.json b/package.json
index d2c18fcc..7dc1538c 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   "devDependencies": {
     "grunt": "1.0.1",
     "grunt-contrib-less": "1.4.1",
-    "grunt-contrib-cssmin": "2.0.0",
+    "grunt-contrib-cssmin": "2.2.0",
     "grunt-contrib-watch": "1.0.0",
     "grunt-contrib-connect": "1.0.2"
   }