diff --git a/.travis.yml b/.travis.yml
index 2553b0a..b84fb6c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,9 +20,5 @@ matrix:
     - node_js: '6'
       script: npm run jest -- --runInBand
       env: CI=tests 6
-    - node_js: '4'
-      script: npm run jest -- --runInBand
-      env: CI=tests 4
-      sudo: required
 before_install:
   - npm install -g npm@latest
diff --git a/package.json b/package.json
index aaaf7f1..6ae32ea 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "stylelint": "^8.4.0"
   },
   "engines": {
-    "node": ">=4.2.1"
+    "node": ">=6"
   },
   "keywords": [
     "css",