diff --git a/package.json b/package.json
index a92c149..9169458 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "homepage": "https://coriolis.edcd.io",
   "bugs": "https://github.com/EDCD/coriolis/issues",
   "private": true,
-  "engine": "node >= 0.12.2",
+  "engine": "node >= 4.0.0",
   "license": "MIT",
   "scripts": {
     "lint": "eslint --plugin json --ext .json modules ships dist",
@@ -19,9 +19,9 @@
     "start": "node generate_distribution.js"
   },
   "devDependencies": {
-    "eslint": "^1.10.3",
+    "eslint": "^2.2.0",
     "eslint-plugin-json": "^1.1.0",
     "jasmine-node": "^1.14.5",
-    "uglify-js": "^2.6.1"
+    "uglify-js": "^2.7.5"
   }
 }