diff --git a/Gemfile b/Gemfile
index 3539b41..e894f89 100755
--- a/Gemfile
+++ b/Gemfile
@@ -10,6 +10,7 @@ ruby '2.1.5'
 
 gem 'sqlite3'
 gem 'foreman'
+gem 'crack', '0.3.1'
 
 group :development, :mysql do
   gem 'brakeman'
diff --git a/Gemfile.lock b/Gemfile.lock
index 5516b7c..2322869 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -75,6 +75,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.8.0)
+    crack (0.3.1)
     cucumber (1.3.15)
       builder (>= 2.1.2)
       diff-lcs (>= 1.1.3)
@@ -312,6 +313,7 @@ DEPENDENCIES
   bundler-audit
   capybara
   coffee-rails
+  crack (= 0.3.1)
   database_cleaner
   execjs
   foreman