diff --git a/.travis.yml b/.travis.yml
index 98b1311..d2f6346 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,8 +4,7 @@ os:
   - linux
   - osx
 node_js:
-  - node
+  - '10'
+  - '8'
   - '6'
-  - '5'
-  - '0.12'
-  - '0.10'
+  - '4'
diff --git a/appveyor.yml b/appveyor.yml
index ce44317..cef1503 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,10 +2,10 @@
 environment:
   matrix:
     # node.js
+    - nodejs_version: "10.0"
+    - nodejs_version: "8.0"
     - nodejs_version: "6.0"
-    - nodejs_version: "5.0"
-    - nodejs_version: "0.12"
-    - nodejs_version: "0.10"
+    - nodejs_version: "4.0"
 
 # Install scripts. (runs after repo cloning)
 install:
diff --git a/package.json b/package.json
index ce55ffd..bf5efc4 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   ],
   "main": "index.js",
   "engines": {
-    "node": ">=0.10.0"
+    "node": ">=4.0.0"
   },
   "scripts": {
     "test": "mocha"