diff --git a/README.md b/README.md
index 31e8841..e3fa75e 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # stringify-stream
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/mimetnet/node-stringify-stream.svg)](https://greenkeeper.io/)
+
 Streaming Transform of objects via JSON.stringify
 
 [![npm version][3]][4] [![build status][1]][2] [![dependencies][5]][6] [![devDependencies][7]][8]
diff --git a/package.json b/package.json
index d21bc31..8c269cc 100644
--- a/package.json
+++ b/package.json
@@ -3,12 +3,12 @@
   "version": "1.0.5",
   "description": "Streaming Transform of objects via JSON.stringify",
   "dependencies": {
-    "readable-stream": "~2.1.0"
+    "readable-stream": "~2.2.3"
   },
   "devDependencies": {
-    "concat-stream": "~1.5.0",
+    "concat-stream": "~1.6.0",
     "stream-array": "~1.1.0",
-    "tape": "~4.5.0"
+    "tape": "~4.6.3"
   },
   "scripts": {
     "test": "./node_modules/.bin/tape ./test/*.js"