Gemfile in tracer-0.1.1 vs Gemfile in tracer-0.2.0

@@ -1,11 +1,13 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 
-git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
-
+# Specify your gem's dependencies in ruby-tracer.gemspec
 gemspec
 
-group :development do
-  gem "bundler"
-  gem "rake"
-  gem "test-unit"
-end
+gem "rake", "~> 13.0"
+gem "irb"
+
+gem "test-unit", "~> 3.0"
+
+gem "ruby-lsp"