1 files changed, 1 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index d509419..04bed46 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,3 +4,4 @@ source "https://rubygems.org"
 gem 'rspec'
 gem 'byebug'
 gem 'ruby-prof'
+gem 'diffy'