diff --git a/README.md b/README.md
index e13ab94..5384ebd 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 ZeroMQ based event dispatcher
 
-[![build status](https://secure.travis-ci.org/serby/evnet.png)](http://travis-ci.org/serby/evnet)
+[![build status](https://secure.travis-ci.org/serby/evnet.png)](http://travis-ci.org/serby/evnet) [![Greenkeeper badge](https://badges.greenkeeper.io/serby/evnet.svg)](https://greenkeeper.io/)
 
 ## Installation
 
diff --git a/package.json b/package.json
index 4e9be90..fb14629 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   },
   "devDependencies": {
     "jshint": "^2.9.6",
-    "mocha": "^5.2.0",
+    "mocha": "^6.1.4",
     "should": "^13.2.3"
   }
 }