diff --git a/Gruntfile.js b/Gruntfile.js
index 3ffb6e886..0c1b58941 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -235,7 +235,6 @@ module.exports = function( grunt ) {
                 "undef": true,
                 "unused": true,
                 "strict": false,
-                "trailing": true,
                 "maxparams": 6,
                 "maxlen": 80,
 
@@ -253,7 +252,6 @@ module.exports = function( grunt ) {
                 "multistr": true,
                 "proto": false,
                 "scripturl": true,
-                "smarttabs": false,
                 "shadow": true,
                 "sub": true,
                 "supernew": false,
diff --git a/package.json b/package.json
index 4bed92ec5..3e08be331 100644
--- a/package.json
+++ b/package.json
@@ -36,30 +36,30 @@
     },
     "devDependencies": {
         "grunt": "~0.4.1",
-        "grunt-contrib-jshint": "~0.6.4",
+        "grunt-contrib-jshint": "~0.10.0",
         "grunt-contrib-watch": "latest",
         "grunt-contrib-connect": "latest",
         "grunt-contrib-concat": "latest",
         "grunt-saucelabs": "latest",
-        "acorn": "~0.3.1",
-        "mocha": "~1.12.1",
-        "q": "~0.9.7",
-        "when": "~2.4.0",
-        "deferred": "~0.6.5",
-        "rsvp": "~2.0.4",
+        "acorn": "~0.6.0",
+        "mocha": "~1.20.1",
+        "q": "~1.0.1",
+        "when": "~3.2.3",
+        "deferred": "~0.7.1",
+        "rsvp": "~3.0.9",
         "avow": "~2.0.1",
-        "jsdom": "~0.8.4",
+        "jsdom": "~0.11.0",
         "jquery-browserify": "~1.8.1",
         "sinon": "~1.7.3",
-        "kew": "~0.2.2",
-        "browserify": "~2.35.0",
+        "kew": "~0.4.0",
+        "browserify": "~4.2.0",
         "concurrent": "~0.3.2",
         "text-table": "~0.2.0",
         "grunt-cli": "~0.1.9",
-        "jshint-stylish": "~0.1.3",
+        "jshint-stylish": "~0.2.0",
         "semver-utils": "~1.1.0",
         "rimraf": "~2.2.6",
-        "mkdirp": "~0.3.5"
+        "mkdirp": "~0.5.0"
     },
     "readmeFilename": "README.md",
     "main": "./js/main/bluebird.js",