diff --git a/README.md b/README.md
index 189763c..bd1233b 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# ut_metadata [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+# ut_metadata [![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/ut_metadata/master.svg
 [travis-url]: https://travis-ci.org/webtorrent/ut_metadata
@@ -8,6 +8,8 @@
 [downloads-url]: https://npmjs.org/package/ut_metadata
 [standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
 [standard-url]: https://standardjs.com
+[greenkeeper-image]: https://badges.greenkeeper.io/webtorrent/ut_metadata.svg
+[greenkeeper-url]: https://greenkeeper.io/
 
 ### BitTorrent Extension for Peers to Send Metadata Files (BEP 9)
 
diff --git a/package.json b/package.json
index 9b7a92e..1af36c7 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   "dependencies": {
     "bencode": "^1.0.0",
     "bitfield": "^1.0.1",
-    "debug": "^2.2.0",
+    "debug": "^3.1.0",
     "inherits": "^2.0.1",
     "safe-buffer": "^5.0.1",
     "simple-sha1": "^2.0.0"