docs: update required node version to 6.4.0

Node v6.4.0 is required by `puppeteer` in `mocha-headless-chrome`. All others packages works with Node v4.0

diff --git a/README.md b/README.md
index 70a22af92ea10fa32abec846187bb30345c0323f..fae7e8d64353e128de37a30539a2c92957e8cf76 100644 (file)
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ Lastly, if you're rolling your own setup, you can install Foundation through a v
 
 ## Documentation
 
-The documentation can be found at <https://foundation.zurb.com/sites/docs>. To run the documentation locally on your machine, you need [Node.js](https://nodejs.org/en/) installed on your computer. (Your Node.js version must be **4.0** or higher.)
+The documentation can be found at <https://foundation.zurb.com/sites/docs>. To run the documentation locally on your machine, you need [Node.js](https://nodejs.org/en/) installed on your computer. (Your Node.js version must be **6.4.0** or higher.)
 
 Run these commands to set up the documentation:
 

diff --git a/package.json b/package.json
index 226a47e8f80d1201b28f67858202c84db5f7376b..265c95f470288d9e787467ff4cea5067a336575f 100644 (file)
--- a/package.json
+++ b/package.json
@@ -101,7 +101,7 @@
     "yargs": "^11.0.0"
   },
   "engines": {
-    "node": ">=4.0",
+    "node": ">=6.4.0",
     "npm": ">=2.14.2"
   },
   "repository": {