diff --git a/README.md b/README.md
index 792a0a3..d264893 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,7 @@
 # ious [![NPM version][npm-image]][npm-url] [![Build Status][travis-image]][travis-url] [![Dependency Status][daviddm-image]][daviddm-url]
+
+[![Greenkeeper badge](https://badges.greenkeeper.io/busterc/ious.svg)](https://greenkeeper.io/)
+
 > use express middleware on socket.io namespaces
 
 ## Installation
diff --git a/package.json b/package.json
index 20b4678..43c8afe 100644
--- a/package.json
+++ b/package.json
@@ -22,18 +22,18 @@
   "devDependencies": {
     "async-each-series": "^1.1.0",
     "cookie-parser": "^1.4.3",
-    "coveralls": "^2.12.0",
-    "eslint": "^3.18.0",
-    "eslint-config-xo-space": "^0.16.0",
+    "coveralls": "^3.0.2",
+    "eslint": "^5.4.0",
+    "eslint-config-xo-space": "^0.20.0",
     "express": "^4.15.2",
-    "jest": "^19.0.2",
-    "jest-cli": "^19.0.1",
-    "jsonwebtoken": "^7.3.0",
-    "nsp": "^2.6.3",
-    "passport": "^0.3.2",
-    "passport-jwt": "^2.2.1",
-    "socket.io": "^1.7.3",
-    "socket.io-client": "^1.7.3"
+    "jest": "^23.5.0",
+    "jest-cli": "^23.5.0",
+    "jsonwebtoken": "^8.3.0",
+    "nsp": "^3.2.1",
+    "passport": "^0.4.0",
+    "passport-jwt": "^4.0.0",
+    "socket.io": "^2.1.1",
+    "socket.io-client": "^2.1.1"
   },
   "scripts": {
     "prepublish": "nsp check",