diff --git a/README.md b/README.md
index 0955f4d..3fb19b8 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# bittorrent-tracker [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+# bittorrent-tracker [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url] [![Greenkeeper badge][greenkeeper-image]][greenkeeper-url]
 
 [travis-image]: https://img.shields.io/travis/webtorrent/bittorrent-tracker/master.svg
 [travis-url]: https://travis-ci.org/webtorrent/bittorrent-tracker
@@ -8,6 +8,8 @@
 [downloads-url]: https://npmjs.org/package/bittorrent-tracker
 [standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
 [standard-url]: https://standardjs.com
+[greenkeeper-image]: https://badges.greenkeeper.io/webtorrent/bittorrent-tracker.svg
+[greenkeeper-url]: https://greenkeeper.io/
 
 #### Simple, robust, BitTorrent tracker (client & server) implementation
 
diff --git a/package.json b/package.json
index c39786a..737b6ec 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "bittorrent-peerid": "^1.0.2",
     "bn.js": "^4.4.0",
     "compact2string": "^1.2.0",
-    "debug": "^2.0.0",
+    "debug": "^3.1.0",
     "inherits": "^2.0.1",
     "ip": "^1.0.1",
     "lru": "^3.0.0",