diff --git a/bower.json b/bower.json
index aa6a4688..af90fc09 100644
--- a/bower.json
+++ b/bower.json
@@ -7,7 +7,7 @@
   ],
   "dependencies": {
     "jquery": "^1.7",
-    "susy": "2.2.0.beta.3"
+    "susy": "2.2.0.rc.2"
   },
   "devDependencies": {
     "jquery": "1.8.3",
diff --git a/package.json b/package.json
index c817927e..d8b79819 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "grunt-contrib-jshint": "^0.7.1",
     "grunt-contrib-qunit": "^0.3.0",
     "grunt-contrib-requirejs": "^0.4.3",
-    "grunt-contrib-sass": "^0.8.1",
+    "grunt-sass": "^0.17.0",
     "grunt-contrib-watch": "^0.5.3",
     "grunt-modernizr": "^0.5.2",
     "grunt-postcss": "^0.2.0",
diff --git a/scss/_utilities/_variables.scss b/scss/_utilities/_variables.scss
index a1ba85d1..b03ff2a0 100644
--- a/scss/_utilities/_variables.scss
+++ b/scss/_utilities/_variables.scss
@@ -15,7 +15,7 @@ $desktop: $larger;
 $susy: (
   container: 1440px,
   columns: 16,
-  gutters: 24px/64.5px,
+  gutters: (24/64.5),
   column-width: 64.5px,
   gutter-position: inside-static,
   global-box-sizing: border-box,
diff --git a/tasks/sass.js b/tasks/sass.js
index 9aedffb0..3ffa6149 100644
--- a/tasks/sass.js
+++ b/tasks/sass.js
@@ -5,8 +5,7 @@ module.exports = {
       "dist/styleguide.css": "scss/styleguide.scss",
     },
     options: {
-      style: "compressed",
-      bundleExec: true
+      outputStyle: "compressed"
     }
   }
-}
+};