Gemfile in ruby_tracer-0.2.0 vs Gemfile in ruby_tracer-0.3.0

@@ -4,9 +4,10 @@
 
 # Specify your gem's dependencies in ruby-tracer.gemspec
 gemspec
 
 gem "rake", "~> 13.0"
+gem "irb"
 
 gem "test-unit", "~> 3.0"
 
 gem "ruby-lsp"