diff --git a/README.md b/README.md
index 0f0426a..b86aa8c 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # stream-array
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/mimetnet/node-stream-array.svg)](https://greenkeeper.io/)
+
 Pipe an Array through Node.js [Streams][12]. This is rather useful for testing
 other streams.
 
diff --git a/package.json b/package.json
index 96a1d00..289e44f 100644
--- a/package.json
+++ b/package.json
@@ -3,11 +3,11 @@
   "version": "1.1.2",
   "description": "Pipe an Array 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_modules/.bin/tape ./test/*",