Gemfile in code-ruby-0.4.0 vs Gemfile in code-ruby-0.5.0

@@ -1,7 +1,8 @@
 source "https://rubygems.org"
 
 gemspec name: "template-ruby"
 gemspec name: "code-ruby"
 
-gem "prettier"
 gem "rspec"
+gem "syntax_tree", github: "dorianmariefr/syntax_tree"
+gem "ruby-prof"