diff --git a/.travis.yml b/.travis.yml
index 3444a98bc..b8b97f75f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,11 +3,10 @@ cache:
   directories:
     - travis-phantomjs
 node_js:
+  - "9"
   - "8"
   - "6"
   - "4"
-  # - "0.12"
-  # - "0.10"
 before_install:
   # from https://github.com/travis-ci/travis-ci/issues/3225#issuecomment-177592725
   # and also from https://github.com/travis-ci/travis-ci/issues/3225#issuecomment-200965782
diff --git a/appveyor.yml b/appveyor.yml
index 523738ada..e0bbf24cc 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,21 +1,13 @@
 # Test against these versions of Node.js.
 environment:
   matrix:
-    # - nodejs_version: "0.10"
-    # - nodejs_version: "0.12"
     - nodejs_version: "4"
     - nodejs_version: "6"
     - nodejs_version: "8"
+    - nodejs_version: "9"
 
 # Install scripts. (runs after repo cloning)
 install:
-  # Get the latest stable version of Node 0.STABLE.latest
-  - ps: Install-Product node $env:nodejs_version
-  # Use npm v2
-  - npm -g install npm@2
-  - set PATH=%APPDATA%\npm;%PATH%
-  - npm -v
-
   # node 0.10 & 0.12 have race condition issues when running custom install scripts
   # this can cause phantomjs-prebuilt install script to fail with the error:
   # <Cannot find module 'boom'>
diff --git a/package.json b/package.json
index 52bbe9114..2d84e733d 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
   },
   "browser": "./dist/less.js",
   "engines": {
-    "node": ">=0.12"
+    "node": ">=4"
   },
   "scripts": {
     "test": "grunt test"