diff --git a/package.json b/package.json
index a9350d5..ec42b17 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "grunt-bump": "^0.8.0",
     "grunt-contrib-clean": "^1.0.0",
     "grunt-contrib-concat": "^1.0.1",
-    "grunt-contrib-cssmin": "^2.0.0",
+    "grunt-contrib-cssmin": "^3.0.0",
     "grunt-contrib-uglify": "^3.0.0",
     "grunt-fixpack": "^0.1.0",
     "jasmine-core": "^2.5.2",