Gemfile in dentaku-2.0.5 vs Gemfile in dentaku-2.0.6

@@ -1,4 +1,9 @@
 source "http://rubygems.org"
 
 # Specify your gem's dependencies in dentaku.gemspec
 gemspec
+
+if RUBY_VERSION.to_f >= 2.0 && RUBY_ENGINE == 'ruby'
+  gem 'pry-byebug'
+  gem 'pry-stack_explorer'
+end