recite_csv.gemspec in recite_csv-2.0.0 vs recite_csv.gemspec in recite_csv-2.1.0

@@ -2,11 +2,11 @@
 
 lib = File.expand_path("lib", __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require "recite_csv/version"
 
-Gem::Specification.new do |spec| # rubocop:disable Metrics/BlockLength
+Gem::Specification.new do |spec|
   spec.name          = "recite_csv"
   spec.version       = ReciteCSV::VERSION
   spec.authors       = ["Yuji Hanamura"]
   spec.email         = ["[e-mail]"]
 
@@ -19,25 +19,22 @@
 
   spec.metadata["allowed_push_host"] = "https://rubygems.org"
 
   spec.metadata["homepage_uri"]      = spec.homepage
   spec.metadata["source_code_uri"]   = spec.homepage
-  spec.metadata["changelog_uri"]     = "https://github.com/yujideveloper/recite_csv/tree/master/CHANGELOG.md"
+  spec.metadata["changelog_uri"]     = "https://github.com/yujideveloper/recite_csv/tree/main/CHANGELOG.md"
 
+  spec.metadata["rubygems_mfa_required"] = "true"
+
   spec.files = Dir.chdir(File.expand_path(__dir__)) do
     `git ls-files -z`
       .split("\x0")
       .reject { |f| f.match(%r{^(test|spec|features)/}) }
   end
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.required_ruby_version = ">= 2.4"
+  spec.required_ruby_version = ">= 3.0"
 
-  spec.add_development_dependency "bundler", ">= 1.14"
-  spec.add_development_dependency "pry", ">= 0.10.0"
-  spec.add_development_dependency "rake", ">= 10.0"
-  spec.add_development_dependency "rspec", "~> 3.0"
-  spec.add_development_dependency "rubocop", ">= 0.70.0"
-  spec.add_development_dependency "rubocop-performance", ">= 1.3.0"
+  spec.add_dependency "csv"
 end