diff --git a/package.json b/package.json
index 609622b..100d760 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "grunt-contrib-concat": "~0.1.3",
     "grunt-remove-logging": "~0.1.0",
     "grunt-markdown": "~0.5.0",
-    "grunt-contrib-cssmin": "~0.5.0",
+    "grunt-contrib-cssmin": "~3.0.0",
     "grunt-bump": "0.0.13"
   }
 }