diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..e4f4703
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,5 @@
+language: node_js
+node_js:
+- '5.0'
+- '4.2'
+- '0.12'
diff --git a/README.md b/README.md
index d5b9685..8f07acf 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg)](https://github.com/feross/standard)
 
 # local-web-server
-Fires up a simple, CORS-enabled, static web server on a given port. Use for local web development or file sharing (directory browsing enabled).
+Fires up a simple, CORS-enabled, static web server on a given port. Use for local web development or file sharing (directory browsing enabled). **Requires node v4.0.0 or higher**.
 
 ![local-web-server](http://75lb.github.io/local-web-server/ws.gif)