diff --git a/README.md b/README.md
index ffdc6b3..ebe67c2 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # stream-generators
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/mimetnet/node-stream-generators.svg)](https://greenkeeper.io/)
+
 Pipe ES6 Generators through Node.js [Streams][12].
 
 [![npm version][1]][2]
diff --git a/package.json b/package.json
index 14014b9..030f947 100644
--- a/package.json
+++ b/package.json
@@ -3,11 +3,11 @@
   "version": "0.1.1",
   "description": "Pipe ES6 Generators through Node.js streams",
   "dependencies": {
-    "readable-stream": "~2.1.0"
+    "readable-stream": "~2.2.3"
   },
   "devDependencies": {
-    "concat-stream": "~1.5.0",
-    "tape": "~4.5.0"
+    "concat-stream": "~1.6.0",
+    "tape": "~4.6.3"
   },
   "scripts": {
     "test": "node --harmony ./node_modules/tape/bin/tape ./test/*.js"