diff --git a/Rakefile b/Rakefile
index b7f8bb4..6623284 100644
--- a/Rakefile
+++ b/Rakefile
@@ -12,4 +12,4 @@ end
 RSpec::Core::RakeTask.new(:spec)
 
 desc "Run the test suite"
-task default: %w(spec cucumber)
+task default: %w[spec cucumber]
diff --git a/factory_bot_rails.gemspec b/factory_bot_rails.gemspec
index ca0e7fc..53e8e17 100644
--- a/factory_bot_rails.gemspec
+++ b/factory_bot_rails.gemspec
@@ -1,18 +1,18 @@
 Gem::Specification.new do |s|
-  s.name        = "factory_bot_rails"
-  s.version     = "5.1.1"
-  s.authors     = ["Joe Ferris"]
-  s.email       = "jferris@thoughtbot.com"
-  s.homepage    = "https://github.com/thoughtbot/factory_bot_rails"
-  s.summary     = "factory_bot_rails provides integration between "\
+  s.name = "factory_bot_rails"
+  s.version = "5.1.1"
+  s.authors = ["Joe Ferris"]
+  s.email = "jferris@thoughtbot.com"
+  s.homepage = "https://github.com/thoughtbot/factory_bot_rails"
+  s.summary = "factory_bot_rails provides integration between "\
                   "factory_bot and rails 5.0 or newer"
   s.description = "factory_bot_rails provides integration between "\
                   "factory_bot and rails 5.0 or newer"
 
   s.files = Dir["lib/**/*"] + %w[CONTRIBUTING.md LICENSE NEWS.md README.md]
   s.require_paths = ["lib"]
-  s.executables   = []
-  s.license       = "MIT"
+  s.executables = []
+  s.license = "MIT"
 
   s.add_runtime_dependency("factory_bot", "~> 5.1.0")
   s.add_runtime_dependency("railties", ">= 5.0.0")
diff --git a/features/step_definitions/appraisal.rb b/features/step_definitions/appraisal.rb
index 433129f..76fe529 100644
--- a/features/step_definitions/appraisal.rb
+++ b/features/step_definitions/appraisal.rb
@@ -1,10 +1,10 @@
-When /^I run `([^"]+)` with a clean environment$/ do |command|
+When(/^I run `([^"]+)` with a clean environment$/) do |command|
   step <<~STEP
     I successfully run `ruby -e 'system({"BUNDLE_GEMFILE" => nil, "DISABLE_SPRING" => "true"}, "#{command}")'`
   STEP
 end
 
-When /^I run `([^"]+)` with Spring enabled$/ do |command|
+When(/^I run `([^"]+)` with Spring enabled$/) do |command|
   step <<~STEP
     I successfully run `ruby -e 'system({"BUNDLE_GEMFILE" => nil}, "#{command}")'`
   STEP
diff --git a/features/step_definitions/rails_steps.rb b/features/step_definitions/rails_steps.rb
index 2556791..ba493fb 100644
--- a/features/step_definitions/rails_steps.rb
+++ b/features/step_definitions/rails_steps.rb
@@ -1,4 +1,4 @@
-When /^I create a new rails application$/ do
+When(/^I create a new rails application$/) do
   options =
     %w[
       --api
@@ -20,15 +20,15 @@ When /^I create a new rails application$/ do
   cd("test_app")
 end
 
-When /^I add "([^"]+)" from this project as a dependency$/ do |gem_name|
-  append_to_file("Gemfile", %{gem "#{gem_name}", :path => "#{PROJECT_ROOT}"\n})
+When(/^I add "([^"]+)" from this project as a dependency$/) do |gem_name|
+  append_to_file("Gemfile", %(gem "#{gem_name}", :path => "#{PROJECT_ROOT}"\n))
 end
 
-When /^I add "([^"]+)" as a dependency$/ do |gem_name|
-  append_to_file("Gemfile", %{gem "#{gem_name}"\n})
+When(/^I add "([^"]+)" as a dependency$/) do |gem_name|
+  append_to_file("Gemfile", %(gem "#{gem_name}"\n))
 end
 
-When /^I print out "([^"]*)"$/ do |path|
+When(/^I print out "([^"]*)"$/) do |path|
   in_current_dir do
     File.open(path, "r") do |f|
       puts f.inspect
@@ -36,7 +36,7 @@ When /^I print out "([^"]*)"$/ do |path|
   end
 end
 
-When /^I configure the factories as:$/ do |string|
+When(/^I configure the factories as:$/) do |string|
   append_to_file File.join("config", "application.rb"), <<~RUBY
     class TestApp::Application
       #{string}
@@ -44,7 +44,7 @@ When /^I configure the factories as:$/ do |string|
   RUBY
 end
 
-When /^I configure the factories directory as "([^"]+)"$/ do |factory_dir|
+When(/^I configure the factories directory as "([^"]+)"$/) do |factory_dir|
   append_to_file File.join("config", "application.rb"), <<~RUBY
     class TestApp::Application
       config.generators do |g|
@@ -54,7 +54,7 @@ When /^I configure the factories directory as "([^"]+)"$/ do |factory_dir|
   RUBY
 end
 
-When /^I comment out gem "([^"]*)" from my Gemfile$/ do |gem_name|
+When(/^I comment out gem "([^"]*)" from my Gemfile$/) do |gem_name|
   in_current_dir do
     content = File.read("Gemfile")
     File.open("Gemfile", "w") do |f|
diff --git a/features/support/env.rb b/features/support/env.rb
index d234143..07116c6 100644
--- a/features/support/env.rb
+++ b/features/support/env.rb
@@ -11,7 +11,7 @@ if RUBY_PLATFORM == "java"
   Aruba.configure do |config|
     config.before_cmd do
       # disable JIT since these processes are so short lived
-      set_env("JRUBY_OPTS", "-X-C #{ENV['JRUBY_OPTS']}")
+      set_env("JRUBY_OPTS", "-X-C #{ENV["JRUBY_OPTS"]}")
 
       java_options = ENV["JAVA_OPTS"]
 
@@ -20,7 +20,7 @@ if RUBY_PLATFORM == "java"
       else
         set_env(
           "JAVA_OPTS",
-          "-XX:+TieredCompilation -XX:TieredStopAtLevel=1 #{java_options}",
+          "-XX:+TieredCompilation -XX:TieredStopAtLevel=1 #{java_options}"
         )
       end
     end
diff --git a/lib/factory_bot_rails/generators/non_rspec_generator.rb b/lib/factory_bot_rails/generators/non_rspec_generator.rb
index 7d2d770..df794f3 100644
--- a/lib/factory_bot_rails/generators/non_rspec_generator.rb
+++ b/lib/factory_bot_rails/generators/non_rspec_generator.rb
@@ -9,7 +9,7 @@ module FactoryBotRails
         @generators.test_framework(
           test_framework,
           fixture: false,
-          fixture_replacement: :factory_bot,
+          fixture_replacement: :factory_bot
         )
       end
 
diff --git a/lib/factory_bot_rails/generators/rspec_generator.rb b/lib/factory_bot_rails/generators/rspec_generator.rb
index 96dde63..4781733 100644
--- a/lib/factory_bot_rails/generators/rspec_generator.rb
+++ b/lib/factory_bot_rails/generators/rspec_generator.rb
@@ -8,7 +8,7 @@ module FactoryBotRails
       def run
         @generators.fixture_replacement(
           fixture_replacement_setting,
-          dir: factory_bot_directory,
+          dir: factory_bot_directory
         )
       end
 
diff --git a/lib/generators/factory_bot.rb b/lib/generators/factory_bot.rb
index ef7551e..e5ff76b 100644
--- a/lib/generators/factory_bot.rb
+++ b/lib/generators/factory_bot.rb
@@ -8,7 +8,7 @@ module FactoryBot
           File.dirname(__FILE__),
           "factory_bot",
           generator_name,
-          "templates",
+          "templates"
         )
 
         File.expand_path(path)
diff --git a/lib/generators/factory_bot/model/model_generator.rb b/lib/generators/factory_bot/model/model_generator.rb
index 4d28fb6..e99c594 100644
--- a/lib/generators/factory_bot/model/model_generator.rb
+++ b/lib/generators/factory_bot/model/model_generator.rb
@@ -8,21 +8,21 @@ module FactoryBot
         :attributes,
         type: :array,
         default: [],
-        banner: "field:type field:type",
+        banner: "field:type field:type"
       )
 
       class_option(
         :dir,
         type: :string,
         default: "test/factories",
-        desc: "The directory or file root where factories belong",
+        desc: "The directory or file root where factories belong"
       )
 
       class_option(
         :suffix,
         type: :string,
         default: nil,
-        desc: "Suffix to add factory file",
+        desc: "Suffix to add factory file"
       )
 
       def create_fixture_file
@@ -43,7 +43,7 @@ module FactoryBot
         insert_into_file(
           factories_file,
           factory_definition,
-          after: "FactoryBot.define do\n",
+          after: "FactoryBot.define do\n"
         )
       end
 
@@ -55,16 +55,16 @@ module FactoryBot
       def factory_definition
         <<~RUBY
             factory :#{factory_name}#{explicit_class_option} do
-          #{factory_attributes.gsub(/^/, '    ')}
+          #{factory_attributes.gsub(/^/, "    ")}
             end
 
         RUBY
       end
 
       def factory_attributes
-        attributes.map do |attribute|
+        attributes.map { |attribute|
           "#{attribute.name} { #{attribute.default.inspect} }"
-        end.join("\n")
+        }.join("\n")
       end
 
       def filename
diff --git a/spec/factory_bot_rails/definition_file_paths_spec.rb b/spec/factory_bot_rails/definition_file_paths_spec.rb
index 006ed18..5004110 100644
--- a/spec/factory_bot_rails/definition_file_paths_spec.rb
+++ b/spec/factory_bot_rails/definition_file_paths_spec.rb
@@ -18,7 +18,7 @@ describe FactoryBotRails::DefinitionFilePaths do
       directories = described_class.new(definition_file_paths).directories
 
       expect(directories).to eq(
-        "spec/fixtures/factories" => [:rb],
+        "spec/fixtures/factories" => [:rb]
       )
     end
 
diff --git a/spec/factory_bot_rails/reloader_spec.rb b/spec/factory_bot_rails/reloader_spec.rb
index 188e791..70010d1 100644
--- a/spec/factory_bot_rails/reloader_spec.rb
+++ b/spec/factory_bot_rails/reloader_spec.rb
@@ -42,8 +42,8 @@ describe FactoryBotRails::Reloader do
 
     def run_reloader(definition_file_paths)
       FactoryBot.definition_file_paths = definition_file_paths
-      FactoryBotRails::Reloader.
-        new(Rails.application, Rails.application.config).run
+      FactoryBotRails::Reloader
+        .new(Rails.application, Rails.application.config).run
     end
 
     def reloader_class