perf: drop support old node

Scrum · Aug 16, 2018 · 171486f · 171486f
1 parent bd8647f
commit 171486f
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Showing 3 changed files with 2 additions and 4 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -6,8 +6,6 @@ node_js:
   - "8"
   - "7"
   - "6"
-  - "5"
-  - "4"
 
 after_script:
   - './node_modules/.bin/nyc report --reporter=text-lcov | ./node_modules/.bin/coveralls'
diff --git a/package.json b/package.json
@@ -13,7 +13,7 @@
   },
   "main": "lib/index.js",
   "engines": {
-    "node": ">=4"
+    "node": ">=6"
   },
   "scripts": {
     "version": "conventional-changelog -i changelog.md -s -r 0 && git commit -am \"build: update changelog\"",

diff --git a/readme.md b/readme.md
@@ -16,7 +16,7 @@ Adds the ability to use a custom property in the options, at-rules.
 $ npm install postcss-at-rules-variables
 ```
 
-> **Note:** This project is compatible with node v4+
+> **Note:** This project is compatible with node v6+
 
 ## Usage