diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 00000000..d346e2ab
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+5.3
diff --git a/.travis.yml b/.travis.yml
index 711ba48e..a6c8f557 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,4 @@
 language: node_js
+sudo: false
 node_js:
-  - "4.2.1"
+  - "stable"