Merge pull request #48 from venables/revert-47-revert-util-promisify

Revert #47, bump version to 5.0.0

.travis.yml

@@ -3,5 +3,4 @@ node_js:
   - "12"
   - "10"
   - "8"
-  - "6"
 after_success: yarn run coverage

lib/koa-helmet.js

@@ -1,7 +1,7 @@
 'use strict';
 
 const helmet = require('helmet');
-const promisify = require('./promisify');
+const { promisify } = require('util');
 
 const koaHelmet = function () {
   const helmetPromise = promisify(helmet.apply(null, arguments));

package.json

@@ -3,7 +3,7 @@
   "author": "Matt Venables <mattvenables@gmail.com>",
   "description": "Security header middleware collection for koa",
   "license": "MIT",
-  "version": "4.2.1",
+  "version": "5.0.0",
   "main": "lib/koa-helmet.js",
   "scripts": {
     "format": "eslint lib test --fix",
@@ -23,19 +23,19 @@
     "url": "git://github.com/venables/koa-helmet.git"
   },
   "engines": {
-    "node": ">= 6.0.0"
+    "node": ">= 8.0.0"
   },
   "dependencies": {
-    "helmet": "^3.15.1"
+    "helmet": "^3.18.0"
   },
   "devDependencies": {
-    "ava": "^1.3.1",
+    "ava": "^2.0.0",
     "coveralls": "^3.0.3",
-    "eslint": "^5.15.1",
-    "eslint-plugin-node": "^8.0.1",
+    "eslint": "^5.16.0",
+    "eslint-plugin-node": "^9.1.0",
     "koa": "^2.7.0",
-    "nyc": "^13.3.0",
-    "supertest": "^4.0.0"
+    "nyc": "^14.1.1",
+    "supertest": "^4.0.2"
   },
   "nyc": {
     "reporter": [