bigdecimal has been gemified since Ruby 3.4

amatsuda · amatsuda · commit 4f9daad8da0e · 2024-07-10T17:55:37.000+09:00
diff --git a/Gemfile b/Gemfile
@@ -16,6 +16,7 @@ end
 gem 'nokogiri', RUBY_VERSION < '2.1' ? '~> 1.6.0' : '>= 1.7'
 gem 'loofah', RUBY_VERSION < '2.5' ? '< 2.21.0' : '>= 0'
 gem 'selenium-webdriver'
+gem 'bigdecimal'
 
 rails_version = ENV['RAILS_VERSION'] || '∞'
 
