diff --git a/.travis.yml b/.travis.yml
index c82aecf..83e45cf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,10 @@
 os: osx
-osx_image: xcode8.3
+osx_image: xcode10.1
 sudo: false
 env:
   matrix:
-  - TRAVIS_NODE_VERSION: '4'
   - TRAVIS_NODE_VERSION: '6'
+  - TRAVIS_NODE_VERSION: '8'
 git:
   depth: 10
 before_install:
@@ -13,8 +13,6 @@ before_install:
   install $TRAVIS_NODE_VERSION
 - node --version
 - npm --version
-- npm cache clean
-- npm install -g npm@3
 install:
 - npm install
 script:
diff --git a/README.md b/README.md
index b53d3a3..6a9084e 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,11 @@
-[![Build status](https://ci.appveyor.com/api/projects/status/0kw833771uu622fs?svg=true)](https://ci.appveyor.com/project/shazron/ios-sim)
-[![Build Status](https://travis-ci.org/phonegap/ios-sim.svg?branch=master)](https://travis-ci.org/phonegap/ios-sim)
+[![Build status](https://ci.appveyor.com/api/projects/status/xh7auct40k5oxwjg/branch/master?svg=true
+)](https://ci.appveyor.com/project/shazron/ios-sim-bn5fo)
+[![Build Status](https://travis-ci.org/ios-control/ios-sim.svg?branch=master)](https://travis-ci.org/ios-control/ios-sim)
 
 ios-sim
 =======
 
-Supports Xcode 8 and greater only since version 5.x.
+Supports Node 6 and greater, and Xcode 10 and greater -- since version 8.x.
 
 The ios-sim tool is a command-line utility that launches an iOS application on the iOS Simulator. This allows for niceties such as automated testing without having to open Xcode.
 
diff --git a/appveyor.yml b/appveyor.yml
index d4c6a08..8c84d60 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,13 +2,11 @@
 # http://www.appveyor.com/docs/appveyor-yml
 environment:
   matrix:
-  - nodejs_version: "4"
   - nodejs_version: "6"
+  - nodejs_version: "8"
 
 install:
   - ps: Install-Product node $env:nodejs_version
-  - npm cache clean
-  - npm install -g npm@3
   - npm install
 
 build: off
diff --git a/package.json b/package.json
index 8539dfc..9c683d9 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "url": "https://github.com/ios-control/ios-sim"
   },
   "engines": {
-    "node": ">=4"
+    "node": ">=6"
   },
   "keywords": [
     "ios-sim",