From cb84e679857eb41edf4fd068261d0c82a663f600 Mon Sep 17 00:00:00 2001
From: John Firebaugh <john.firebaugh@gmail.com>
Date: Thu, 25 May 2017 08:57:23 -0700
Subject: [PATCH] Require node 6; permit default and rest params and
 destructuring

---
 CONTRIBUTING.md | 4 ++--
 package.json    | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8c6f5e60a94..10e79b234d7 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -109,11 +109,11 @@ See [`bench/README.md`](https://github.com/mapbox/mapbox-gl-js/blob/master/bench
   * Classes
   * Template strings
   * Computed and shorthand object properties
-* The following ES6 features are not to be used, in order to maintain support for Node 4.x, IE 11, and older mobile browsers. This may change in the future.
   * Default parameters
   * Rest parameters
-  * Spread (`...`) operator
   * Destructuring
+* The following ES6 features are not to be used, in order to maintain support for IE 11 and older mobile browsers. This may change in the future.
+  * Spread (`...`) operator (because it requires Object.assign)
   * Iterators and generators
   * "Library" features such as `Map`, `Set`, `array.find`, etc.
   * Modules
diff --git a/package.json b/package.json
index f5cdc4d0b67..bb8424c562d 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "url": "git://github.com/mapbox/mapbox-gl-js.git"
   },
   "engines": {
-    "node": ">=4.0.0"
+    "node": ">=6.4.0"
   },
   "dependencies": {
     "@mapbox/gl-matrix": "^0.0.1",