diff --git a/package.json b/package.json
index 106c563..b561bf6 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
         "grunt-contrib-qunit": "2.0.0",
         "grunt-contrib-uglify": "3.3.0",
         "grunt-contrib-watch": "1.0.0",
-        "grunt-sass": "2.0.0",
+        "grunt-sass": "3.1.0",
         "grunt-retire": "1.0.7",
         "grunt-zip": "~0.17.1",
         "mustache": "2.3.0",