diff --git a/package.json b/package.json
index ac6b8e9..4ff65e1 100644
--- a/package.json
+++ b/package.json
@@ -28,34 +28,34 @@
   },
   "homepage": "https://github.com/mzabriskie/axios",
   "devDependencies": {
-    "coveralls": "2.11.4",
+    "coveralls": "2.11.6",
     "es6-promise": "3.0.2",
     "grunt": "0.4.5",
-    "grunt-banner": "0.5.0",
+    "grunt-banner": "0.6.0",
     "grunt-cli": "0.1.13",
-    "grunt-contrib-clean": "0.6.0",
+    "grunt-contrib-clean": "0.7.0",
     "grunt-contrib-nodeunit": "0.4.1",
     "grunt-contrib-watch": "0.6.1",
-    "grunt-eslint": "17.2.0",
+    "grunt-eslint": "17.3.1",
     "grunt-karma": "0.12.1",
-    "grunt-ts": "5.0.0-beta.5",
-    "grunt-update-json": "0.2.1",
+    "grunt-ts": "5.3.2",
+    "grunt-update-json": "0.2.2",
     "grunt-webpack": "1.0.11",
     "istanbul-instrumenter-loader": "^0.1.3",
-    "jasmine-core": "2.3.4",
-    "karma": "0.13.10",
-    "karma-coverage": "0.5.2",
+    "jasmine-core": "2.4.1",
+    "karma": "0.13.19",
+    "karma-coverage": "0.5.3",
     "karma-jasmine": "0.3.6",
     "karma-jasmine-ajax": "0.1.13",
-    "karma-phantomjs-launcher": "0.2.1",
+    "karma-phantomjs-launcher": "0.2.3",
     "karma-sinon": "1.0.4",
-    "karma-sourcemap-loader": "0.3.5",
+    "karma-sourcemap-loader": "0.3.7",
     "karma-webpack": "1.7.0",
-    "load-grunt-tasks": "3.3.0",
+    "load-grunt-tasks": "3.4.0",
     "minimist": "1.2.0",
-    "phantomjs": "1.9.18",
-    "webpack": "1.12.2",
-    "webpack-dev-server": "1.12.0"
+    "phantomjs": "1.9.19",
+    "webpack": "1.12.11",
+    "webpack-dev-server": "1.14.1"
   },
   "browser": {
     "./lib/adapters/http.js": "./lib/adapters/xhr.js"