diff --git a/package.json b/package.json
index 34a3fa5c2f..2c45196567 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "grunt-contrib-copy": "~0.5.0",
     "grunt-contrib-csslint": "~0.2.0",
     "grunt-contrib-jshint": "~0.8.0",
-    "grunt-contrib-less": "~0.8.3",
+    "grunt-contrib-less": "~0.9.0",
     "grunt-contrib-qunit": "~0.3.0",
     "grunt-contrib-uglify": "~0.2.7",
     "grunt-contrib-watch": "~0.5.3",