diff --git a/Gemfile b/Gemfile
index 013b16c..f93c687 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,6 +8,7 @@ gem 'unicorn'
 gem 'yajl-ruby', require: 'yajl'
 
 group :development do
+  gem 'minitest'
   gem 'rack-test'
   gem 'shotgun'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index e4c5ae0..cce48fa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,6 +4,7 @@ GEM
     fixer (0.5.0)
       nokogiri (~> 1.5)
     kgio (2.7.4)
+    minitest (4.3.0)
     multi_json (1.3.7)
     nokogiri (1.5.5)
     pg (0.14.1)
@@ -35,6 +36,7 @@ PLATFORMS
 
 DEPENDENCIES
   fixer
+  minitest
   pg
   rack-test
   sequel