diff --git a/Gemfile_ruby2 b/Gemfile_ruby2
index 7886f6db..42650c9e 100644
--- a/Gemfile_ruby2
+++ b/Gemfile_ruby2
@@ -22,5 +22,6 @@ group :local_development do
   gem 'guard-preek', require: false
   gem 'guard-rubocop', require: false
   gem 'guard-reek', github: 'pericles/guard-reek', require: false
+  gem 'rb-readline'
   gem 'pry'
 end