diff --git a/README.md b/README.md
index c385e27..3482215 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # Typed Source Map Support
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/types/npm-source-map-support.svg)](https://greenkeeper.io/)
+
 The type definition for [`source-map-support`](https://github.com/evanw/node-source-map-support).
 
 ## License
diff --git a/package.json b/package.json
index 11a8622..f49fac3 100644
--- a/package.json
+++ b/package.json
@@ -28,10 +28,10 @@
   "devDependencies": {
     "greenkeeper-postpublish": "^1.0.1",
     "source-map-support": "~0.4.3",
-    "ts-node": "^1.3.0",
-    "tslint": "^3.15.1",
-    "tslint-config-typings": "^0.2.4",
+    "ts-node": "^3.0.3",
+    "tslint": "^5.2.0",
+    "tslint-config-typings": "^0.3.1",
     "typescript": "^2.0.3",
-    "typings": "^1.4.0"
+    "typings": "^2.1.1"
   }
 }