diff --git a/README.md b/README.md
index b803b86..7de5fc3 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,10 @@
-# micro-chain [![XO code style](https://img.shields.io/badge/code_style-XO-5ed9c7.svg)](https://github.com/sindresorhus/xo) [![Build Status](https://travis-ci.org/dimapaloskin/micro-chain.svg?branch=master)](https://travis-ci.org/dimapaloskin/micro-chain)
+# micro-chain 
 
-Helps to build chains from your [micro](https://github.com/zeit/micro/) services.
+> Helps to build chains from your [micro](https://github.com/zeit/micro/) services.
+
+[![XO code style](https://img.shields.io/badge/code_style-XO-5ed9c7.svg)](https://github.com/sindresorhus/xo)
+[![Build Status](https://travis-ci.org/dimapaloskin/micro-chain.svg?branch=master)](https://travis-ci.org/dimapaloskin/micro-chain)
+[![Greenkeeper badge](https://badges.greenkeeper.io/dimapaloskin/micro-chain.svg)](https://greenkeeper.io/)
 
 ### Overview
 
diff --git a/package.json b/package.json
index cc132db..e4b99b6 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "bl": "^1.2.0",
     "bluebird": "^3.5.0",
     "full-url": "^1.0.0",
-    "get-port": "^2.1.0",
+    "get-port": "^3.1.0",
     "ip": "^1.1.5",
     "media-typer": "^0.3.0",
     "micro": "latest",
@@ -27,12 +27,12 @@
   },
   "devDependencies": {
     "async-sleep": "^0.1.0",
-    "ava": "^0.18.2",
+    "ava": "^0.19.1",
     "babel-cli": "^6.23.0",
     "babel-plugin-transform-async-to-generator": "^6.22.0",
     "request": "^2.81.0",
     "request-promise": "^4.1.1",
-    "xo": "^0.17.1"
+    "xo": "^0.18.1"
   },
   "repository": {
     "type": "git",