diff --git a/.nvmrc b/.nvmrc
index ab5d706..9c0be88 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-v5.7
+v6
diff --git a/.travis.yml b/.travis.yml
index 1e3c20e..eae64fb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-- '5.7'
+- '6'
 
 #########################
 ## Setup
diff --git a/package.json b/package.json
index 0e2d3e4..4ae5b63 100644
--- a/package.json
+++ b/package.json
@@ -67,8 +67,7 @@
     "tap-diff": "^0.1.1"
   },
   "engines": {
-    "node": "5.7",
-    "npm": "^3.6"
+    "node": "^6"
   },
   "nyc": {
     "exclude": [