diff --git a/README.md b/README.md
index a03a9bd..b7322b3 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # prep [![npm version](https://badge.fury.io/js/prep.svg)](https://badge.fury.io/js/prep) [![CircleCI](https://circleci.com/gh/graphcool/prep.svg?style=svg)](https://circleci.com/gh/graphcool/prep)
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/graphcool/prep.svg)](https://greenkeeper.io/)
+
 Pre-renders your web app into static HTML based on your specified routes enabling SEO for single page applications.
 
 > NOTE: `prep` is now based on [Chromeless](https://github.com/graphcool/chromeless). We'll shortly release an updated version.
diff --git a/package.json b/package.json
index 45992a4..33606c1 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "babel-plugin-transform-runtime": "^6.12.0",
     "babel-preset-es2015": "^6.6.0",
     "babel-preset-stage-0": "^6.5.0",
-    "debug": "^2.6.0",
+    "debug": "^3.1.0",
     "util": "^0.10.3"
   },
   "dependencies": {
@@ -51,7 +51,7 @@
     "express-history-api-fallback": "^2.1.0",
     "html-minifier": "^3.2.3",
     "mkdirp": "^0.5.1",
-    "nightmare": "2.9.0",
+    "nightmare": "2.10.0",
     "serve-static": "^1.10.2",
     "sitemap": "^1.9.0"
   }