diff --git a/Gemfile b/Gemfile
index c471c43..98368d5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -43,3 +43,7 @@ gem 'twitter', '1.6.0'
 # group :development, :test do
 #   gem 'webrat'
 # end
+group :development do
+  # provides: rake diagram:all
+  gem 'railroady'
+end
diff --git a/Gemfile.lock b/Gemfile.lock
index 5c585f4..48e7673 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -31,6 +31,7 @@ GEM
     addressable (2.2.6)
     arel (2.0.10)
     bcrypt-ruby (2.1.4)
+    bcrypt-ruby (2.1.4-x86-mingw32)
     builder (2.1.2)
     cancan (1.6.5)
     capistrano (2.5.21)
@@ -48,7 +49,7 @@ GEM
     faraday (0.6.1)
       addressable (~> 2.2.4)
       multipart-post (~> 1.1.0)
-      rack (< 2, >= 1.1.0)
+      rack (>= 1.1.0, < 2)
     faraday_middleware (0.6.5)
       faraday (~> 0.6.0)
     hashie (1.0.0)
@@ -78,6 +79,7 @@ GEM
       rack (>= 1.0.0)
     rack-test (0.5.7)
       rack (>= 1.0)
+    railroady (1.0.2)
     rails (3.0.9)
       actionmailer (= 3.0.9)
       actionpack (= 3.0.9)
@@ -119,6 +121,7 @@ DEPENDENCIES
   capistrano (= 2.5.21)
   devise (= 1.2.1)
   mysql2 (= 0.2.7)
+  railroady
   rails (= 3.0.9)
   rake (= 0.8.7)
   twitter (= 1.6.0)