diff --git a/README.md b/README.md
index 5b880dc..806e582 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # strider-runner-core
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/Strider-CD/strider-runner-core.svg)](https://greenkeeper.io/)
+
 Just run those jobs. Decoupled from load balancing, job queues, etc.
 
 [![Build Status](https://travis-ci.org/Strider-CD/strider-runner-core.svg?branch=master)](https://travis-ci.org/Strider-CD/strider-runner-core)
diff --git a/package.json b/package.json
index 605dd61..5a2709d 100644
--- a/package.json
+++ b/package.json
@@ -34,14 +34,14 @@
     "eslint": "^3.1.1",
     "expect.js": "~0.3.1",
     "istanbul": "~0.4.3",
-    "mocha": "~2.5.3"
+    "mocha": "~3.2.0"
   },
   "dependencies": {
-    "async": "~0.2.9",
+    "async": "~2.1.4",
     "debug": "^2.2.0",
-    "execa": "^0.4.0",
-    "lodash": "~1.3.1",
-    "mkdirp": "~0.3.5",
+    "execa": "^0.6.0",
+    "lodash": "~4.17.4",
+    "mkdirp": "~0.5.1",
     "shell-quote": "^1.6.0"
   }
 }