diff --git a/.travis.yml b/.travis.yml
index 53f19a8..347cec9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,11 +2,14 @@ language: node_js
 sudo: false
 git:
   depth: 10
+
 node_js:
-  - "4"
   - "6"
   - "8"
+  - "10"
+
 install:
   - "npm install"
+
 script:
   - "npm test"
diff --git a/appveyor.yml b/appveyor.yml
index ffe5194..31fb26c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -3,9 +3,9 @@
 
 environment:
   matrix:
-  - nodejs_version: "4"
   - nodejs_version: "6"
   - nodejs_version: "8"
+  - nodejs_version: "10"
   
 install:
   - ps: Install-Product node $env:nodejs_version
diff --git a/package.json b/package.json
index 62bdc57..6034e33 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "rewire": "^2.5.2"
   },
   "engines": {
-    "node": ">=4.0.0",
-    "npm": ">= 2.5.1"
+    "node": ">= 6",
+    "npm": ">= 3"
   }
 }