diff -Nur package.orig/index.js package/index.js
--- package.orig/index.js	2017-09-28 18:06:57.291132100 +0900
+++ package/index.js	2017-09-28 18:07:25.054830498 +0900
@@ -1,4 +1,5 @@
-#!/usr/local/bin/node
+#!/usr/bin/env node
+
 var SlackChannel = (function () {
     function SlackChannel(id, name) {
         this.id = id;