diff --git a/.travis.yml b/.travis.yml
index 7aa056a..11b99b5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,6 @@
 language: node_js
-
 node_js:
-  - '0.12'
-  - '0.10'
+  - 6
 sudo: false
 cache:
   directories:
diff --git a/README.md b/README.md
index 92ce1d8..5fec973 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # koop-gist
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/koopjs/koop-gist.svg)](https://greenkeeper.io/)
+
 > Github gist provider for [Koop](https://github.com/esri/koop)
 
 [![npm][npm-image]][npm-url]
diff --git a/controller/index.js b/controller/index.js
index ad663e7..23933cd 100644
--- a/controller/index.js
+++ b/controller/index.js
@@ -2,6 +2,7 @@ var crypto = require('crypto')
 var provider = require('koop-provider')
 var request = require('request')
 var pkg = require('../package.json')
+var path = require('path')
 
 /**
  * creates new gist controller
@@ -18,7 +19,7 @@ var gistController = function (model) {
    * @param {object} res - outgoing response object
    */
   ctrl.index = function (req, res) {
-    res.render(__dirname + '/../views/index', {
+    res.render(path.join(__dirname, '/../views/index'), {
       baseUrl: req.baseUrl
     })
   }
@@ -30,7 +31,7 @@ var gistController = function (model) {
    * @param {object} res - outgoing response object
    */
   ctrl.preview = function (req, res) {
-    res.render(__dirname + '/../views/demo', {
+    res.render(path.join(__dirname, '/../views/demo'), {
       baseUrl: req.baseUrl,
       id: req.params.id
     })
diff --git a/package.json b/package.json
index dffd62d..11c5c81 100644
--- a/package.json
+++ b/package.json
@@ -8,15 +8,15 @@
   },
   "dependencies": {
     "debug": "^2.2.0",
-    "ejs": "^1.0.0",
+    "ejs": "^2.5.6",
     "geohub": "^1.0.2",
     "koop-provider": "^1.0.0",
     "request": "^2.65.0"
   },
   "devDependencies": {
-    "koop": "^2.8.6",
-    "standard": "^5.3.1",
-    "supertest": "^0.11.0",
+    "koop": "2.12.1",
+    "standard": "^9.0.1",
+    "supertest": "^3.0.0",
     "tap-spec": "^4.0.2",
     "tape": "^4.2.0"
   },
diff --git a/test/model-test.js b/test/model-test.js
index 386f313..e1b6c3d 100644
--- a/test/model-test.js
+++ b/test/model-test.js
@@ -2,9 +2,10 @@ var test = require('tape')
 var koop = require('koop/lib')
 var createGistModel = require('../model')
 var gistId = 'c82a80ee4c5b91889efe'
+var path = require('path')
 
 koop.config = {
-  data_dir: __dirname + '/output/',
+  data_dir: path.join(__dirname, '/output/'),
   ghtoken: process.env.KOOP_GIST_TOKEN
 }
 koop.log = new koop.Logger({})