diff --git a/.travis.yml b/.travis.yml
index c71b058a..7cd907a8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,12 +1,12 @@
 sudo: false
 language: node_js
 node_js:
-  - 'node'
+  - '11'
+  - '10'
+  - '9'
   - '8'
   - '7'
   - '6'
-  - '5'
-  - '4'
 env:
   - CXX=g++-4.8
 addons:
diff --git a/appveyor.yml b/appveyor.yml
index 1097c4d6..57ad8fe8 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -7,9 +7,9 @@ version: "{build}"
 # what combinations to test
 environment:
   matrix:
-    - nodejs_version: "4"
     - nodejs_version: "6"
     - nodejs_version: "8"
+    - nodejs_version: "10"
 
 # Get the stable version of node
 install:
diff --git a/package.json b/package.json
index dc5f86aa..8923b9e5 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "markdownlint": "markdownlint.js"
   },
   "engines": {
-    "node": ">=0.12.0"
+    "node": ">=6"
   },
   "scripts": {
     "invalid": "node ./markdownlint.js --config test/test-config.json -- test/incorrect.md",