diff --git a/package.json b/package.json
index 3511bd9..ebe3000 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,7 @@
     "autoprefixer": "^6.5.3",
     "grunt": "^1.0.1",
     "grunt-contrib-concat": "^1.0.1",
+    "grunt-contrib-imagemin": "^1.0.1",
     "grunt-contrib-uglify": "^2.0.0",
     "grunt-contrib-watch": "^1.0.0",
     "grunt-postcss": "^0.8.0",