diff --git a/.travis.yml b/.travis.yml
index 6f700f1..a28674a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
language: node_js
sudo: false
node_js:
-- '4'
- '6'
before_install:
- npm install coveralls
diff --git a/bin/geojson-thumbnail.js b/bin/geojson-thumbnail.js
index 786f08b..0c07af0 100755
--- a/bin/geojson-thumbnail.js
+++ b/bin/geojson-thumbnail.js
@@ -5,35 +5,55 @@ const program = require('commander');
const fs = require('fs');
const path = require('path');
const sources = require('../lib/sources');
+const styles = require('../lib/styles');
const index = require('../index');
+const getStdin = require('get-stdin');
program
.usage('