Bump default ecmaVersion.

goto-bus-stop · goto-bus-stop · commit 6118cd00d0b1 · 2018-06-13T11:42:01.000+02:00
diff --git a/index.js b/index.js
@@ -4,7 +4,7 @@ var xtend = require('xtend')
 function mapOptions (opts) {
   if (!opts) opts = {}
   opts = xtend({
-    ecmaVersion: 9,
+    ecmaVersion: 2019,
     allowHashBang: true,
     allowReturnOutsideFunction: true
   }, opts)
diff --git a/package.json b/package.json
@@ -7,7 +7,7 @@
     "url": "https://github.com/browserify/acorn-node/issues"
   },
   "dependencies": {
-    "acorn": "^5.4.1",
+    "acorn": "^5.6.2",
     "xtend": "^4.0.1"
   },
   "devDependencies": {
