diff --git a/Gemfile b/Gemfile
index e2aa451..e58f37d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,3 +3,4 @@ source 'https://rubygems.org'
 gem 'rails', '~> 4.2.7.1'
 gem 'stripe'
 gem 'rspec-rails'
+gem 'byebug'
diff --git a/Gemfile.lock b/Gemfile.lock
index 63ac10b..214684d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,6 +38,7 @@ GEM
       tzinfo (~> 1.1)
     arel (6.0.4)
     builder (3.2.3)
+    byebug (9.0.6)
     concurrent-ruby (1.0.4)
     diff-lcs (1.3)
     domain_name (0.5.20161129)
@@ -131,6 +132,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  byebug
   rails (~> 4.2.7.1)
   rspec-rails
   stripe