Index: package.json
===================================================================
--- package.json	(revision 9563)
+++ package.json	(working copy)
@@ -19,7 +19,7 @@
     "grunt-jsvalidate": "~0.2.2",
     "grunt-legacy-util": "^0.2.0",
     "grunt-patch-wordpress": "~0.2.1",
-    "grunt-sass": "~0.14.0",
+    "grunt-sass": "~0.18.0",
     "grunt-wp-i18n": "~0.4.7",
     "matchdep": "~0.3.0"
   },