diff --git a/package.json b/package.json
index 0be7bde..2bc1615 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "grunt-contrib-uglify": "~0.2.0",
     "grunt-contrib-compass": "~0.5.0",
     "grunt-contrib-jshint": "~3.2.0",
-    "grunt-contrib-cssmin": "~0.6.0",
+    "grunt-contrib-cssmin": "~5.0.0",
     "grunt-contrib-connect": "~0.5.0",
     "grunt-contrib-clean": "~2.0.1",
     "grunt-contrib-htmlmin": "~0.1.3",