diff --git a/package.json b/package.json
index 106c563..87795b0 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
         "grunt-contrib-watch": "1.0.0",
         "grunt-sass": "2.0.0",
         "grunt-retire": "1.0.7",
-        "grunt-zip": "~0.17.1",
+        "grunt-zip": "~0.20.0",
         "mustache": "2.3.0",
         "socket.io": "1.7.3"
     },