diff --git a/.gitignore b/.gitignore
index bc354e0..8855f6a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,5 @@ build
 *xcuserdata*
 *.gem
 /docs/**
+.bundle
+
diff --git a/Gemfile b/Gemfile
index 3159a77..3c38980 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,3 +2,4 @@ source 'https://rubygems.org'
 
 gem 'activesupport'
 gem 'paint'
+gem 'copyright-header'
diff --git a/Gemfile.lock b/Gemfile.lock
index 2920362..f381d3b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,10 +6,23 @@ GEM
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
+    charlock_holmes (0.7.3)
     concurrent-ruby (1.0.5)
+    copyright-header (1.0.22)
+      github-linguist
+    escape_utils (1.1.1)
+    github-linguist (5.0.11)
+      charlock_holmes (~> 0.7.3)
+      escape_utils (~> 1.1.0)
+      mime-types (>= 1.19)
+      rugged (>= 0.25.1)
     i18n (0.8.4)
+    mime-types (3.1)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2016.0521)
     minitest (5.10.2)
     paint (2.0.0)
+    rugged (0.25.1.1)
     thread_safe (0.3.6)
     tzinfo (1.2.3)
       thread_safe (~> 0.1)
@@ -19,7 +32,7 @@ PLATFORMS
 
 DEPENDENCIES
   activesupport
-  concurrent-ruby
+  copyright-header
   paint
 
 BUNDLED WITH
diff --git a/LinkLiar.xcodeproj/project.pbxproj b/LinkLiar.xcodeproj/project.pbxproj
index ce7d873..7c61b2b 100644
--- a/LinkLiar.xcodeproj/project.pbxproj
+++ b/LinkLiar.xcodeproj/project.pbxproj
@@ -379,9 +379,9 @@
 				C23926A01F06C787008506E4 /* MACAddressQuestion.swift */,
 				C23926A41F06C787008506E4 /* SoftMACCache.swift */,
 				C23926C11F06CA80008506E4 /* MACVendors.swift */,
-				C2F477521F0ACABE00BCFA24 /* Resources */,
 				C2BE6B991F0D011D0086A843 /* NSMenuItem+placeholder.swift */,
 				C2BE6B9D1F0D791B0086A843 /* LaunchCtl.swift */,
+				C2F477521F0ACABE00BCFA24 /* Resources */,
 			);
 			path = LinkLiar;
 			sourceTree = "<group>";
diff --git a/bin/copyright b/bin/copyright
new file mode 100755
index 0000000..1e12176
--- /dev/null
+++ b/bin/copyright
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+bundle exec copyright-header \
+  --add-path . \
+  --output-dir . \
+  --license MIT \
+  --copyright-software LinkLiar \
+  --copyright-software-description "Link-Layer MAC spoofing GUI for macOS" \
+  --copyright-holder "halo https://io.github.com/halo/LinkLiar" \
+  --copyright-year 2017 \
+  --word-wrap 130 \
+  --syntax lib/copyright_syntax.yml
diff --git a/lib/copyright_syntax.yml b/lib/copyright_syntax.yml
new file mode 100644
index 0000000..3b75ca7
--- /dev/null
+++ b/lib/copyright_syntax.yml
@@ -0,0 +1,6 @@
+swift:
+  ext: ['.swift']
+  comment:
+    open:   '/*\n'
+    close:  ' */\n\n'
+    prefix: ' * '