diff --git a/README.md b/README.md
index cfb4bfb..b37b6cc 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # @transclusion/vdom
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/transclusion/vdom.svg)](https://greenkeeper.io/)
+
 A JavaScript virtual DOM library for the browser and Node.js.
 
 ```sh
diff --git a/package.json b/package.json
index c85e2c3..d5e5090 100644
--- a/package.json
+++ b/package.json
@@ -25,8 +25,8 @@
   },
   "devDependencies": {
     "@transclusion/semantic-release": "^0.2.5",
-    "@types/jest": "^21.1.10",
-    "@types/node": "^8.5.2",
+    "@types/jest": "^22.1.1",
+    "@types/node": "^9.4.0",
     "commitizen": "^2.9.6",
     "coveralls": "^3.0.0",
     "cz-conventional-changelog": "^2.0.0",