diff --git a/package.json b/package.json
index 1bb523a..965fde8 100755
--- a/package.json
+++ b/package.json
@@ -3,13 +3,12 @@
   "version": "0.1.0",
   "devDependencies": {
     "grunt": "~0.4.2",
-    "grunt-contrib-sass": "~0.5.0",
-    "grunt-contrib-watch": "~0.5.3",
-    "grunt-imageoptim": "~0.9.6",
+    "grunt-contrib-sass": "~0.7.3",
+    "grunt-contrib-watch": "~0.6.1",
+    "grunt-imageoptim": "~1.4.1",
     "grunt-svg2png": "~0.2.0",
     "grunt-svgmin": "~0.4.0",
-    "grunt-contrib-uglify": "~0.4.0",
-    "grunt-contrib-jshint": "~0.10.0",
-    "grunt-contrib-compass": "~0.8.0"
+    "grunt-contrib-uglify": "~0.5.0",
+    "grunt-contrib-jshint": "~0.10.0"
   }
 }