diff --git a/Gemfile b/Gemfile
index 3fce8f8..3869bdc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -31,6 +31,10 @@ group :development, :test do
   gem 'rb-readline'
 end
 
+group :development do
+  gem 'thin'
+end
+
 group :test do
   gem 'capybara'
   gem 'selenium-webdriver'
diff --git a/Gemfile.lock b/Gemfile.lock
index 26b0671..0550a57 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,8 +48,10 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.7.0)
+    daemons (1.1.9)
     diff-lcs (1.2.5)
     erubis (2.7.0)
+    eventmachine (1.0.3)
     execjs (2.0.2)
     factory_girl (4.3.0)
       activesupport (>= 3.0.0)
@@ -168,6 +170,10 @@ GEM
       sprockets (~> 2.8)
     sqlite3 (1.3.8)
     terminal-notifier-guard (1.5.3)
+    thin (1.6.1)
+      daemons (>= 1.0.9)
+      eventmachine (>= 1.0.0)
+      rack (>= 1.0.0)
     thor (0.18.1)
     thread_safe (0.1.3)
       atomic
@@ -208,5 +214,6 @@ DEPENDENCIES
   spork
   sqlite3
   terminal-notifier-guard
+  thin
   turbolinks
   uglifier (>= 1.3.0)