diff --git a/Gemfile b/Gemfile
index 3fef04f..40e2ff3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -16,6 +16,9 @@ gem 'slim-rails'
 
 gem 'rails-i18n'
 
+gem 'devise'
+gem 'devise-i18n'
+
 group :development do
   gem 'spring'
   gem 'spring-commands-rspec'
diff --git a/Gemfile.lock b/Gemfile.lock
index 3f72c10..6093517 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,6 +28,7 @@ GEM
       thread_safe (~> 0.1)
       tzinfo (~> 1.1)
     arel (5.0.1.20140414130214)
+    bcrypt (3.1.7)
     builder (3.2.2)
     capybara (2.4.1)
       mime-types (>= 1.16)
@@ -45,6 +46,13 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.7.1)
+    devise (3.2.4)
+      bcrypt (~> 3.0)
+      orm_adapter (~> 0.1)
+      railties (>= 3.2.6, < 5)
+      thread_safe (~> 0.1)
+      warden (~> 1.2.3)
+    devise-i18n (0.10.3)
     diff-lcs (1.2.5)
     erubis (2.7.0)
     execjs (2.2.1)
@@ -88,6 +96,7 @@ GEM
     multi_json (1.10.1)
     nokogiri (1.6.3.1)
       mini_portile (= 0.6.0)
+    orm_adapter (0.5.0)
     pg (0.17.1)
     polyglot (0.3.5)
     pry (0.10.0)
@@ -184,6 +193,8 @@ GEM
     uglifier (2.5.3)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
+    warden (1.2.3)
+      rack (>= 1.0)
     xpath (2.0.0)
       nokogiri (~> 1.3)
 
@@ -193,6 +204,8 @@ PLATFORMS
 DEPENDENCIES
   capybara
   coffee-rails
+  devise
+  devise-i18n
   factory_girl_rails
   faker
   guard-rspec