diff --git a/Gemfile b/Gemfile
index 0eba7eb2..46ad7e80 100644
--- a/Gemfile
+++ b/Gemfile
@@ -45,6 +45,9 @@ gem "grape", "~> 0.2.1"
 # based on human-friendly examples
 gem "stamp"
 
+# Enumeration fields
+gem 'enumerize'
+
 # Pagination
 gem "kaminari", "~> 0.14.1"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 3ca39aea..311e757c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -144,6 +144,8 @@ GEM
     email_spec (1.4.0)
       launchy (~> 2.1)
       mail (~> 2.2)
+    enumerize (0.5.1)
+      activesupport (>= 3.2)
     erubis (2.7.0)
     escape_utils (0.2.4)
     eventmachine (1.0.0)
@@ -469,6 +471,7 @@ DEPENDENCIES
   devise (~> 2.1.0)
   draper (~> 0.18.0)
   email_spec
+  enumerize
   factory_girl_rails
   ffaker
   font-awesome-sass-rails (~> 3.0.0)