diff --git a/Gruntfile.coffee b/Gruntfile.coffee
index 279276b3..9d072fc9 100644
--- a/Gruntfile.coffee
+++ b/Gruntfile.coffee
@@ -4,6 +4,9 @@ module.exports = (grunt) ->
     pkg: require './package'
     coffee:
       src:
+        options:
+          bare: true
+          noHeader: true
         expand: true
         cwd: 'src'
         src: '**/*.coffee'
@@ -21,6 +24,8 @@ module.exports = (grunt) ->
       options:
         indentation:
           level: 'ignore'
+        no_backticks:
+          level: 'ignore'
       src:
         src: '<%= coffee.src.cwd %>/<%= coffee.src.src %>'
       index:
diff --git a/package.json b/package.json
index ea7b9d06..fe274274 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,9 @@
     "logcat",
     "monkey"
   ],
+  "bin": {
+    "adbkit": "./lib/cli.js"
+  },
   "bugs": {
     "url": "https://github.com/CyberAgent/adbkit/issues"
   },
diff --git a/src/cli.coffee b/src/cli.coffee
index c69140e7..4fdf766e 100644
--- a/src/cli.coffee
+++ b/src/cli.coffee
@@ -1,5 +1,7 @@
-fs = require 'fs'
+`#!/usr/bin/env node
+`
 
+fs = require 'fs'
 program = require 'commander'
 Promise = require 'bluebird'
 forge = require 'node-forge'