diff --git a/README.md b/README.md
index bb8ec43..4fcd913 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # ts2gql
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/convoyinc/ts2gql.svg)](https://greenkeeper.io/)
+
 Walks a TypeScript type hierarchy and translates it into GraphQL's IDL.
 
 Usage: `ts2gql root/module.ts`
diff --git a/package.json b/package.json
index 40e6709..54f0c65 100644
--- a/package.json
+++ b/package.json
@@ -25,12 +25,12 @@
     "ts2gql": "./bin/ts2gql"
   },
   "dependencies": {
-    "doctrine": "^1.2.2",
+    "doctrine": "^2.0.0",
     "lodash": "^4.0.0"
   },
   "devDependencies": {
-    "tslint": "^3.13.0",
-    "typescript": "2.0.10",
-    "typings": "^1.3.1"
+    "tslint": "^5.3.2",
+    "typescript": "2.3.3",
+    "typings": "^2.1.1"
   }
 }