diff --git a/.rubocop.yml b/.rubocop.yml
index 316ff44..c0a32d6 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,5 +1,5 @@
 AllCops:
-  TargetRubyVersion: 2.1.5
+  TargetRubyVersion: 2.3.3
 
 inherit_from: .rubocop_todo.yml
 
diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 855039c..466013f 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -24,12 +24,6 @@ Metrics/BlockLength:
 # Offense count: 5
 # Cop supports --auto-correct.
 # Configuration parameters: AutoCorrect.
-Performance/HashEachMethods:
-  Exclude:
-    - 'lib/jenkins_pipeline_builder/cli/list.rb'
-    - 'lib/jenkins_pipeline_builder/compiler.rb'
-    - 'lib/jenkins_pipeline_builder/extensions.rb'
-    - 'lib/jenkins_pipeline_builder/utils.rb'
 
 # Offense count: 1
 # Configuration parameters: MinBodyLength.
diff --git a/jenkins_pipeline_builder.gemspec b/jenkins_pipeline_builder.gemspec
index 1c1624e..348d355 100644
--- a/jenkins_pipeline_builder.gemspec
+++ b/jenkins_pipeline_builder.gemspec
@@ -1,5 +1,4 @@
-
-lib = File.expand_path('../lib', __FILE__)
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'jenkins_pipeline_builder/version'
 
diff --git a/lib/jenkins_pipeline_builder.rb b/lib/jenkins_pipeline_builder.rb
index 7937750..f9cf49f 100644
--- a/lib/jenkins_pipeline_builder.rb
+++ b/lib/jenkins_pipeline_builder.rb
@@ -41,7 +41,7 @@ class << self
     attr_reader :client, :credentials, :debug, :file_mode
     attr_writer :logger
     def generator
-      @_generator ||= Generator.new
+      @generator ||= Generator.new
     end
 
     def file_mode!
diff --git a/lib/jenkins_pipeline_builder/cli/helper.rb b/lib/jenkins_pipeline_builder/cli/helper.rb
index d7e532a..4dbe619 100644
--- a/lib/jenkins_pipeline_builder/cli/helper.rb
+++ b/lib/jenkins_pipeline_builder/cli/helper.rb
@@ -80,6 +80,7 @@ def self.valid_cli_creds?(options)
       def self.process_creds_file(file)
         return load File.expand_path(file) if file.end_with? 'rb'
         return self.jenkins_api_creds = JSON.parse(IO.read(File.expand_path(file))) if file.end_with? 'json'
+
         self.jenkins_api_creds = YAML.load_file(File.expand_path(file))
       end
 
@@ -97,14 +98,13 @@ def self.process_cli_creds(options)
         end
       end
 
-      private_class_method
-
       def self.find_default_file
         default_file_name = "#{ENV['HOME']}/.jenkins_api_client/login"
 
         found_suffix = nil
         DEFAULT_FILE_FORMATS.each do |suffix|
           next unless File.exist?("#{default_file_name}.#{suffix}")
+
           if !found_suffix
             found_suffix = suffix
           else
@@ -118,6 +118,7 @@ def self.find_default_file
       def self.logger
         JenkinsPipelineBuilder.logger
       end
+      private_class_method :find_default_file, :logger
     end
   end
 end
diff --git a/lib/jenkins_pipeline_builder/cli/list.rb b/lib/jenkins_pipeline_builder/cli/list.rb
index bf75e4f..5a7f71e 100644
--- a/lib/jenkins_pipeline_builder/cli/list.rb
+++ b/lib/jenkins_pipeline_builder/cli/list.rb
@@ -39,6 +39,7 @@ def job_attributes
         entries = JenkinsPipelineBuilder.registry.registry[:job]
         entries.each do |name, set|
           next unless set.is_a? ExtensionSet
+
           ext = set.extensions.first
           display_module(name, ext)
         end
diff --git a/lib/jenkins_pipeline_builder/compiler.rb b/lib/jenkins_pipeline_builder/compiler.rb
index f6bd495..26777f1 100644
--- a/lib/jenkins_pipeline_builder/compiler.rb
+++ b/lib/jenkins_pipeline_builder/compiler.rb
@@ -33,11 +33,14 @@ def get_settings_bag(item_bag, settings_bag = {})
       item = item_bag[:value]
       bag = {}
       return unless item.is_a?(Hash)
+
       item.keys.each do |k|
         val = item[k]
         next unless val.is_a? String
+
         new_value = resolve_value(val, settings_bag)
         return nil if new_value.nil?
+
         bag[k] = new_value
       end
       my_settings_bag = settings_bag.clone
@@ -48,7 +51,7 @@ def compile_job(item, settings = {})
       new_item = compile(item, settings)
       [true, new_item]
     rescue StandardError => e
-      return [false, [e.message]]
+      [false, [e.message]]
     end
 
     def compile(item, settings = {})
@@ -67,10 +70,12 @@ def compile(item, settings = {})
 
     def handle_enable(item, settings)
       return item unless item.is_a? Hash
+
       if enable_block_present? item
         enabled_switch = resolve_value(item[:enabled], settings)
         return {} if enabled_switch == 'false'
         raise "Invalid value for #{item[:enabled]}: #{enabled_switch}" if enabled_switch != 'true'
+
         if item[:parameters].is_a? Hash
           item = item.merge item[:parameters]
           item.delete :parameters
@@ -105,8 +110,10 @@ def compile_array(array, settings)
 
     def compile_array_item(item, settings, array)
       raise "Found a nil value when processing following array:\n #{array.inspect}" if item.nil?
+
       payload = compile(item, settings)
       raise "Failed to resolve:\n===>item #{item}\n\n===>of list: #{array.inspect}" if payload.nil?
+
       payload
     end
 
@@ -114,8 +121,10 @@ def compile_item(key, value, settings)
       if value.nil?
         raise "key: #{key} has a nil value, this is often a yaml syntax error. Skipping children and siblings"
       end
+
       payload = compile(value, settings)
       raise "Failed to resolve:\n===>key: #{key}\n\n===>value: #{value} payload" if payload.nil?
+
       payload
     end
 
@@ -135,6 +144,7 @@ def resolve_value(value, settings)
       pull_job = value.to_s.match(/{{pull@(.*)}}/)
       if pull_job
         return pull_job[1] unless settings[:pull_request_number]
+
         value = pull_job[1]
       end
 
@@ -151,16 +161,19 @@ def resolve_value(value, settings)
       vars.select! do |var|
         var_val = settings[var]
         raise "Could not find defined substitution variable: #{var}" if var_val.nil?
+
         value_s.gsub!("{{#{var}}}", var_val.to_s)
         var_val.nil?
       end
       return nil if vars.count != 0
+
       value_s
     end
 
     def correct_job_names!(value)
       vars = value.scan(/{{job@(.*)}}/).flatten
       return unless vars.count > 0
+
       vars.select! do |var|
         var_val = job_collection[var.to_s]
         value.gsub!("{{job@#{var}}}", var_val[:value][:name]) unless var_val.nil?
diff --git a/lib/jenkins_pipeline_builder/extension_set.rb b/lib/jenkins_pipeline_builder/extension_set.rb
index 5761f74..0dcc77c 100644
--- a/lib/jenkins_pipeline_builder/extension_set.rb
+++ b/lib/jenkins_pipeline_builder/extension_set.rb
@@ -12,6 +12,7 @@ class ExtensionSet
     SET_METHODS.each do |method_name|
       define_method method_name do |value = nil|
         return settings[method_name] if value.nil?
+
         settings[method_name] = value
       end
     end
@@ -53,9 +54,11 @@ def add_extension(type, version, settings, path = nil)
 
     def installed_version
       return @version if @version
+
       reg = JenkinsPipelineBuilder.registry
       version = reg.versions[settings[:plugin_id]]
       raise "Plugin #{settings[:name]} is not installed (plugin_id: #{settings[:plugin_id]})" if version.nil?
+
       self.installed_version = version
       @version
     end
@@ -103,6 +106,7 @@ def xml(path: false, version: '0', &block)
       end
       unless block
         raise "no block found for version #{version}" unless blocks.key version
+
         return blocks[version][:block]
       end
       store_xml version, block, path
@@ -122,6 +126,7 @@ def version(ver, &block)
         end
 
         return instance_variable_get(method_name) unless block
+
         blocks[version] = {} unless blocks[version]
         blocks[version][method_name] = block
       end
diff --git a/lib/jenkins_pipeline_builder/extensions.rb b/lib/jenkins_pipeline_builder/extensions.rb
index 1dd7bbe..d3ade0e 100644
--- a/lib/jenkins_pipeline_builder/extensions.rb
+++ b/lib/jenkins_pipeline_builder/extensions.rb
@@ -40,6 +40,7 @@ class Extension
     EXT_METHODS.keys.each do |method_name|
       define_method method_name do |value = nil|
         return instance_variable_get("@#{method_name}") if value.nil?
+
         instance_variable_set("@#{method_name}", value)
       end
     end
@@ -59,6 +60,7 @@ def valid?
     def execute(value, n_xml)
       errors = check_parameters value
       raise ArgumentError, errors.join("\n") if errors.any?
+
       unless path
         raise ArgumentError, %(Extension #{name} has no valid path
         Check ModuleRegistry#entries and the definition of the extension
@@ -74,11 +76,13 @@ def execute(value, n_xml)
     end
 
     def check_parameters(value)
-      return [] if parameters && parameters.empty?
+      return [] if parameters&.empty?
       return [] unless value.is_a? Hash
+
       errors = []
       value.each_key do |key|
-        next if parameters && parameters.include?(key)
+        next if parameters&.include?(key)
+
         errors << "Extension #{name} does not support parameter #{key}"
       end
       errors
diff --git a/lib/jenkins_pipeline_builder/extensions/helpers/publishers/cobertura_report_helper.rb b/lib/jenkins_pipeline_builder/extensions/helpers/publishers/cobertura_report_helper.rb
index 98f13d1..ebeffa8 100644
--- a/lib/jenkins_pipeline_builder/extensions/helpers/publishers/cobertura_report_helper.rb
+++ b/lib/jenkins_pipeline_builder/extensions/helpers/publishers/cobertura_report_helper.rb
@@ -2,6 +2,7 @@ class CoberturaReportHelper < ExtensionHelper
   def thresholds
     @thresholds ||= params[:metric_targets]
     return @thresholds if @thresholds
+
     @thresholds = {
       failing: [
         { type: 'type', value: 0 },
diff --git a/lib/jenkins_pipeline_builder/extensions/job_attributes.rb b/lib/jenkins_pipeline_builder/extensions/job_attributes.rb
index 50ef76e..5d30872 100644
--- a/lib/jenkins_pipeline_builder/extensions/job_attributes.rb
+++ b/lib/jenkins_pipeline_builder/extensions/job_attributes.rb
@@ -227,6 +227,7 @@
         if params[:changelog_to_branch]
           opts = params[:changelog_to_branch]
           raise 'remote and branch are required for changelog_to_branch' unless opts[:remote] && opts[:branch]
+
           send('hudson.plugins.git.extensions.impl.ChangelogToBranch') do
             options do
               compareRemote opts[:remote]
diff --git a/lib/jenkins_pipeline_builder/extensions/publishers.rb b/lib/jenkins_pipeline_builder/extensions/publishers.rb
index 6cd9c47..cabc374 100644
--- a/lib/jenkins_pipeline_builder/extensions/publishers.rb
+++ b/lib/jenkins_pipeline_builder/extensions/publishers.rb
@@ -294,7 +294,7 @@
       groovyScript params[:groovy_script]
       behavior params[:behavior] || '0'
       runFormMatrixParent 'false'
-      params[:additional_classpaths] && params[:additional_classpaths].each do |path|
+      params[:additional_classpaths]&.each do |path|
         send('org.jvnet.hudson.plugins.groovypostbuild.GroovyScriptPath') do
           path path[:path] || '/'
         end
@@ -541,7 +541,7 @@
   xml do |params|
     send('htmlpublisher.HtmlPublisher', 'plugin' => 'htmlpublisher') do
       send('reportTargets') do
-        params[:report_targets] && params[:report_targets].each do |target|
+        params[:report_targets]&.each do |target|
           send('htmlpublisher.HtmlPublisherTarget') do
             reportName target[:report_title] || 'HTML Report'
             reportDir target[:report_dir] || ''
@@ -588,7 +588,7 @@
   xml do |params|
     send('xunit', 'plugin' => 'xunit') do
       send('types') do
-        params[:types] && params[:types].each do |type|
+        params[:types]&.each do |type|
           send(type[:type]) do
             pattern type[:pattern]
             skipNoTestFiles type[:skip_no_test_files] || false
diff --git a/lib/jenkins_pipeline_builder/extensions/wrappers.rb b/lib/jenkins_pipeline_builder/extensions/wrappers.rb
index 9bae294..9170661 100644
--- a/lib/jenkins_pipeline_builder/extensions/wrappers.rb
+++ b/lib/jenkins_pipeline_builder/extensions/wrappers.rb
@@ -98,6 +98,7 @@
         passwords = wrapper
       end
       break unless passwords
+
       passwordEntries do
         passwords.each do |password|
           EnvInjectPasswordEntry do
diff --git a/lib/jenkins_pipeline_builder/generator.rb b/lib/jenkins_pipeline_builder/generator.rb
index c0226a0..73dce40 100644
--- a/lib/jenkins_pipeline_builder/generator.rb
+++ b/lib/jenkins_pipeline_builder/generator.rb
@@ -66,6 +66,7 @@ def pull_request(path, project_name, base_branch_only = false)
       errors = []
       pr_generator.open_prs.each do |pr|
         next if base_branch_only && defaults[:git_branch] != pr[:base]
+
         pr_generator.convert! job_collection, pr[:number]
         error = publish(project_name)
         errors << error unless error.empty?
@@ -105,6 +106,7 @@ def resolve_project(project)
     def resolve_job_by_name(name, settings = {})
       job = job_collection.get_item(name)
       raise "Failed to locate job by name '#{name}'" if job.nil?
+
       job_value = job[:value]
       logger.debug "Compiling job #{name}"
       compiler = JenkinsPipelineBuilder::Compiler.new self
@@ -214,6 +216,7 @@ def publish_promotions(promotions, jobs)
       # A hash of promoted_builds names => associated job names
       promotion_job_pairs = jobs.each_with_object({}) do |j, acc|
         next unless j[:result][:promoted_builds]
+
         j[:result][:promoted_builds].each do |promotion_name|
           acc[promotion_name] = j[:result][:name]
         end
@@ -238,6 +241,7 @@ def publish_jobs(jobs, errors = {})
         logger.info "Processing #{i}"
         job = i[:result]
         raise "Result is empty for #{i}" if job.nil?
+
         job = Job.new job
         success, payload = job.create_or_update
         errors[job.name] = payload unless success
diff --git a/lib/jenkins_pipeline_builder/job.rb b/lib/jenkins_pipeline_builder/job.rb
index a720ab8..b8e6e51 100644
--- a/lib/jenkins_pipeline_builder/job.rb
+++ b/lib/jenkins_pipeline_builder/job.rb
@@ -17,6 +17,7 @@ def logger
     def create_or_update
       success, payload = to_xml
       return success, payload unless success
+
       xml = payload
       return local_output(xml) if JenkinsPipelineBuilder.debug || JenkinsPipelineBuilder.file_mode
 
@@ -31,6 +32,7 @@ def to_xml
       job[:job_type] = 'free_style' unless job[:job_type]
       type = job[:job_type]
       return false, "Job type: #{type} is not one of #{job_methods.join(', ')}" unless known_type? type
+
       @xml = setup_freestyle_base(job)
       payload = send("update_#{type}")
 
@@ -109,6 +111,7 @@ def setup_freestyle_base(params)
       if params.key?(:template)
         template_name = params[:template]
         raise "Job template '#{template_name}' can't be resolved." unless @job_templates.key?(template_name)
+
         params.delete(:template)
         template = @job_templates[template_name]
         params = template.deep_merge(params)
diff --git a/lib/jenkins_pipeline_builder/job_collection.rb b/lib/jenkins_pipeline_builder/job_collection.rb
index 715e1ee..90b8647 100644
--- a/lib/jenkins_pipeline_builder/job_collection.rb
+++ b/lib/jenkins_pipeline_builder/job_collection.rb
@@ -108,6 +108,7 @@ def process_collection!(name, key, value, remote)
         # skip if the existing item is local and the new item is remote
         return if remote && !existing_remote
         raise "Duplicate item with name '#{name}' was detected." unless existing_remote && !remote
+
         # override if the existing item is remote and the new is local
         logger.info "Duplicate item with name '#{name}' was detected from the remote folder."
       end
@@ -118,6 +119,7 @@ def load_extensions(path)
       path = "#{path}/extensions"
       path = File.expand_path(path, Dir.getwd)
       return unless File.directory?(path)
+
       logger.info "Loading extensions from folder #{path}"
       logger.info Dir.glob("#{path}/*.rb").inspect
       Dir.glob("#{path}/**/*.rb").each do |file|
diff --git a/lib/jenkins_pipeline_builder/module_registry.rb b/lib/jenkins_pipeline_builder/module_registry.rb
index 91638fa..c4dbe87 100644
--- a/lib/jenkins_pipeline_builder/module_registry.rb
+++ b/lib/jenkins_pipeline_builder/module_registry.rb
@@ -29,6 +29,7 @@ def initialize
     def versions
       # Return a hash with a default of 1000 so that we'll get the newest in debug
       return Hash.new { |_| '1000.0' } if JenkinsPipelineBuilder.debug
+
       @versions ||= JenkinsPipelineBuilder.client.plugin.list_installed
     end
 
@@ -77,6 +78,7 @@ def get(path)
     def get_by_path_collection(path, registry)
       item = registry[path.shift.to_sym]
       return item if path.count == 0
+
       get_by_path_collection(path, item)
     end
 
@@ -88,8 +90,10 @@ def traverse_registry_path(path, params, n_xml)
     def traverse_registry(registry, params, n_xml, strict = false)
       params.each do |key, value|
         next unless registry.is_a? Hash
+
         unless registry.key? key
           raise TypeError, "!!!! could not find key #{key} !!!!" if strict
+
           next
         end
         reg_value = registry[key]
diff --git a/lib/jenkins_pipeline_builder/promotion.rb b/lib/jenkins_pipeline_builder/promotion.rb
index ab42c1a..67a7ab6 100644
--- a/lib/jenkins_pipeline_builder/promotion.rb
+++ b/lib/jenkins_pipeline_builder/promotion.rb
@@ -31,6 +31,7 @@ def initialize(generator)
     def create(params, job_name)
       success, payload = prom_to_xml(params)
       return success, payload unless success
+
       xml = payload
       return local_output(xml) if JenkinsPipelineBuilder.debug || JenkinsPipelineBuilder.file_mode
 
diff --git a/lib/jenkins_pipeline_builder/pull_request_generator.rb b/lib/jenkins_pipeline_builder/pull_request_generator.rb
index aad1174..1a152ee 100644
--- a/lib/jenkins_pipeline_builder/pull_request_generator.rb
+++ b/lib/jenkins_pipeline_builder/pull_request_generator.rb
@@ -37,6 +37,7 @@ def convert!(job_collection, pr_number)
 
     def delete_closed_prs
       return if JenkinsPipelineBuilder.debug
+
       jobs_to_delete = JenkinsPipelineBuilder.client.job.list "^#{application_name}-PR(\\d+)-(.*)$"
       open_prs.each do |pr|
         jobs_to_delete.reject! { |j| j.start_with? "#{application_name}-PR#{pr[:number]}" }
diff --git a/lib/jenkins_pipeline_builder/remote_dependencies.rb b/lib/jenkins_pipeline_builder/remote_dependencies.rb
index 5d824f0..d6b19fd 100644
--- a/lib/jenkins_pipeline_builder/remote_dependencies.rb
+++ b/lib/jenkins_pipeline_builder/remote_dependencies.rb
@@ -88,8 +88,8 @@ def template_path(path, template)
     def download_yaml(url, file, remote_opts = {})
       entries[url] = file
       logger.info "Downloading #{url} to #{file}.tar"
-      open("#{file}.tar", 'w') do |local_file|
-        open(url, remote_opts) do |remote_file|
+      File.open("#{file}.tar", 'w') do |local_file|
+        File.open(url, remote_opts) do |remote_file|
           local_file.write(Zlib::GzipReader.new(remote_file).read)
         end
       end
diff --git a/lib/jenkins_pipeline_builder/utils.rb b/lib/jenkins_pipeline_builder/utils.rb
index c743a6a..27ad29c 100644
--- a/lib/jenkins_pipeline_builder/utils.rb
+++ b/lib/jenkins_pipeline_builder/utils.rb
@@ -30,13 +30,14 @@ def deep_merge(second)
 module JenkinsPipelineBuilder
   class Utils
     # Code was duplicated from jeknins_api_client
-    def self.symbolize_keys_deep!(h)
-      return unless h.is_a?(Hash)
-      h.keys.each do |k|
-        ks    = k.respond_to?(:to_sym) ? k.to_sym : k
-        h[ks] = h.delete k # Preserve order even when k == ks
-        symbolize_keys_deep! h[ks] if h[ks].is_a? Hash
-        h[ks].each { |item| symbolize_keys_deep!(item) } if h[ks].is_a?(Array)
+    def self.symbolize_keys_deep!(to_symbolize)
+      return unless to_symbolize.is_a?(Hash)
+
+      to_symbolize.keys.each do |k|
+        ks = k.respond_to?(:to_sym) ? k.to_sym : k
+        to_symbolize[ks] = to_symbolize.delete k # Preserve order even when k == ks
+        symbolize_keys_deep! to_symbolize[ks] if to_symbolize[ks].is_a? Hash
+        to_symbolize[ks].each { |item| symbolize_keys_deep!(item) } if to_symbolize[ks].is_a?(Array)
       end
     end
 
diff --git a/lib/jenkins_pipeline_builder/view.rb b/lib/jenkins_pipeline_builder/view.rb
index 8c31508..77a543c 100644
--- a/lib/jenkins_pipeline_builder/view.rb
+++ b/lib/jenkins_pipeline_builder/view.rb
@@ -67,6 +67,7 @@ def generate(path)
     def create(params)
       # Name is a required parameter. Raise an error if not specified
       raise ArgumentError, 'Name is required for creating view' unless params.is_a?(Hash) && params[:name]
+
       clean_up_views(params) unless JenkinsPipelineBuilder.debug
       params[:type] ||= 'listview'
       create_base_view(params[:name], params[:type], params[:parent_view])
@@ -133,7 +134,8 @@ def get_mode(type)
         'dashboardView' => 'hudson.plugins.view.dashboard.Dashboard',
         'multijobView' => 'com.tikal.jenkins.plugins.multijob.views.MultiJobView'
       }
-      raise "Type #{type} is not supported by Jenkins." unless types.keys.include? type
+      raise "Type #{type} is not supported by Jenkins." unless types.key?(type)
+
       types[type]
     end
 
diff --git a/spec/lib/jenkins_pipeline_builder/cli/helper_spec.rb b/spec/lib/jenkins_pipeline_builder/cli/helper_spec.rb
index 3e033ca..52cc2f0 100644
--- a/spec/lib/jenkins_pipeline_builder/cli/helper_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/cli/helper_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../spec_helper', __FILE__)
+require File.expand_path('../spec_helper', __dir__)
 
 describe JenkinsPipelineBuilder::CLI::Helper do
   file_suffixes = JenkinsPipelineBuilder::CLI::Helper::DEFAULT_FILE_FORMATS
diff --git a/spec/lib/jenkins_pipeline_builder/compiler_spec.rb b/spec/lib/jenkins_pipeline_builder/compiler_spec.rb
index 9f8d498..abcd0d3 100644
--- a/spec/lib/jenkins_pipeline_builder/compiler_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/compiler_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../spec_helper', __FILE__)
+require File.expand_path('spec_helper', __dir__)
 describe JenkinsPipelineBuilder::Compiler do
   before :all do
     JenkinsPipelineBuilder.credentials = {
diff --git a/spec/lib/jenkins_pipeline_builder/extension_dsl_spec.rb b/spec/lib/jenkins_pipeline_builder/extension_dsl_spec.rb
index efb6918..bcebe4a 100644
--- a/spec/lib/jenkins_pipeline_builder/extension_dsl_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/extension_dsl_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../spec_helper', __FILE__)
+require File.expand_path('spec_helper', __dir__)
 
 describe 'extension dsl' do
   before :all do
diff --git a/spec/lib/jenkins_pipeline_builder/extension_set_spec.rb b/spec/lib/jenkins_pipeline_builder/extension_set_spec.rb
index 3a2889a..1caa533 100644
--- a/spec/lib/jenkins_pipeline_builder/extension_set_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/extension_set_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../spec_helper', __FILE__)
+require File.expand_path('spec_helper', __dir__)
 
 describe JenkinsPipelineBuilder::ExtensionSet do
   subject(:set) { JenkinsPipelineBuilder::ExtensionSet.new('foo') {} }
diff --git a/spec/lib/jenkins_pipeline_builder/extensions/build_steps_spec.rb b/spec/lib/jenkins_pipeline_builder/extensions/build_steps_spec.rb
index 84b2705..2f58b66 100644
--- a/spec/lib/jenkins_pipeline_builder/extensions/build_steps_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/extensions/build_steps_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../spec_helper', __FILE__)
+require File.expand_path('../spec_helper', __dir__)
 
 describe 'build_steps' do
   after :each do
diff --git a/spec/lib/jenkins_pipeline_builder/extensions/builders_spec.rb b/spec/lib/jenkins_pipeline_builder/extensions/builders_spec.rb
index f80c5b4..b4a90ad 100644
--- a/spec/lib/jenkins_pipeline_builder/extensions/builders_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/extensions/builders_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../spec_helper', __FILE__)
+require File.expand_path('../spec_helper', __dir__)
 
 describe 'builders' do
   after :each do
diff --git a/spec/lib/jenkins_pipeline_builder/extensions/job_attributes_spec.rb b/spec/lib/jenkins_pipeline_builder/extensions/job_attributes_spec.rb
index a7295f4..5ced83d 100644
--- a/spec/lib/jenkins_pipeline_builder/extensions/job_attributes_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/extensions/job_attributes_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../spec_helper', __FILE__)
+require File.expand_path('../spec_helper', __dir__)
 
 describe 'job_attributes' do
   after :each do
diff --git a/spec/lib/jenkins_pipeline_builder/extensions/promotion_conditions_spec.rb b/spec/lib/jenkins_pipeline_builder/extensions/promotion_conditions_spec.rb
index 8f183ea..13767de 100644
--- a/spec/lib/jenkins_pipeline_builder/extensions/promotion_conditions_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/extensions/promotion_conditions_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../spec_helper', __FILE__)
+require File.expand_path('../spec_helper', __dir__)
 
 describe 'promotion_conditions' do
   after :each do
diff --git a/spec/lib/jenkins_pipeline_builder/extensions/publishers_spec.rb b/spec/lib/jenkins_pipeline_builder/extensions/publishers_spec.rb
index 45b25d3..00dc61c 100644
--- a/spec/lib/jenkins_pipeline_builder/extensions/publishers_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/extensions/publishers_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../spec_helper', __FILE__)
+require File.expand_path('../spec_helper', __dir__)
 
 describe 'publishers' do
   after :each do
diff --git a/spec/lib/jenkins_pipeline_builder/extensions/registered_spec.rb b/spec/lib/jenkins_pipeline_builder/extensions/registered_spec.rb
index ee34083..1a84896 100644
--- a/spec/lib/jenkins_pipeline_builder/extensions/registered_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/extensions/registered_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../spec_helper', __FILE__)
+require File.expand_path('../spec_helper', __dir__)
 WRAPPERS = {
   ansicolor: ['0'],
   artifactory: ['0'],
diff --git a/spec/lib/jenkins_pipeline_builder/extensions/triggers_spec.rb b/spec/lib/jenkins_pipeline_builder/extensions/triggers_spec.rb
index 73d6e75..149f314 100644
--- a/spec/lib/jenkins_pipeline_builder/extensions/triggers_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/extensions/triggers_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../spec_helper', __FILE__)
+require File.expand_path('../spec_helper', __dir__)
 
 describe 'triggers' do
   after :each do
diff --git a/spec/lib/jenkins_pipeline_builder/extensions/wrappers_spec.rb b/spec/lib/jenkins_pipeline_builder/extensions/wrappers_spec.rb
index 2f5867a..04ad035 100644
--- a/spec/lib/jenkins_pipeline_builder/extensions/wrappers_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/extensions/wrappers_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../spec_helper', __FILE__)
+require File.expand_path('../spec_helper', __dir__)
 
 describe 'wrappers' do
   after :each do
diff --git a/spec/lib/jenkins_pipeline_builder/extensions_spec.rb b/spec/lib/jenkins_pipeline_builder/extensions_spec.rb
index ccedb03..fc358a6 100644
--- a/spec/lib/jenkins_pipeline_builder/extensions_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/extensions_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../spec_helper', __FILE__)
+require File.expand_path('spec_helper', __dir__)
 
 describe JenkinsPipelineBuilder::Extension do
   subject(:extension) { JenkinsPipelineBuilder::Extension.new }
diff --git a/spec/lib/jenkins_pipeline_builder/generator_spec.rb b/spec/lib/jenkins_pipeline_builder/generator_spec.rb
index eb3d162..dcc90a6 100644
--- a/spec/lib/jenkins_pipeline_builder/generator_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/generator_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../spec_helper', __FILE__)
+require File.expand_path('spec_helper', __dir__)
 
 describe JenkinsPipelineBuilder::Generator do
   before :all do
@@ -136,7 +136,7 @@ def fixture_path(fixture)
     let(:pr_master) { { number: 1, base: 'master' } }
     let(:pr_not_master) { { number: 2, base: 'not-master' } }
     let(:open_prs) { [pr_master, pr_not_master] }
-    let(:path) { File.expand_path('../fixtures/generator_tests/pullrequest_pipeline', __FILE__) }
+    let(:path) { File.expand_path('fixtures/generator_tests/pullrequest_pipeline', __dir__) }
     it 'produces no errors while creating pipeline PullRequest' do
       job_name = 'PullRequest'
       pr_generator = double('pr_generator')
@@ -195,7 +195,7 @@ def fixture_path(fixture)
                 github_site: 'https://github.com',
                 git_org: 'testorg',
                 git_repo_name: 'generator_tests'
-        )).and_return(pr_generator)
+              )).and_return(pr_generator)
 
       expect(pr_generator).to receive(:open_prs).and_return open_prs
       expect(pr_generator).to receive(:delete_closed_prs)
@@ -227,26 +227,26 @@ def fixture_path(fixture)
     end
 
     it 'loads a yaml collection from a path' do
-      path = File.expand_path('../fixtures/generator_tests/test_yaml_files', __FILE__)
+      path = File.expand_path('fixtures/generator_tests/test_yaml_files', __dir__)
       @generator.job_collection.load_from_path path
     end
     it 'loads a json collection from a path' do
-      path = File.expand_path('../fixtures/generator_tests/test_json_files', __FILE__)
+      path = File.expand_path('fixtures/generator_tests/test_json_files', __dir__)
       @generator.job_collection.load_from_path path
     end
     it 'loads both yaml and json files from a path' do
-      path = File.expand_path('../fixtures/generator_tests/test_combo_files', __FILE__)
+      path = File.expand_path('fixtures/generator_tests/test_combo_files', __dir__)
       @generator.job_collection.load_from_path path
     end
 
     it 'errors when reading a bad yaml file' do
-      path = File.expand_path('../fixtures/generator_tests/test_bad_yaml_files', __FILE__)
+      path = File.expand_path('fixtures/generator_tests/test_bad_yaml_files', __dir__)
       expect { @generator.job_collection.load_from_path path }.to raise_error(
         CustomErrors::ParseError, /There was an error while parsing a file/
       )
     end
     it 'errors when reading a bad json file' do
-      path = File.expand_path('../fixtures/generator_tests/test_bad_json_files', __FILE__)
+      path = File.expand_path('fixtures/generator_tests/test_bad_json_files', __dir__)
       expect { @generator.job_collection.load_from_path path }.to raise_error(
         CustomErrors::ParseError, /There was an error while parsing a file/
       )
@@ -258,7 +258,7 @@ def fixture_path(fixture)
       allow(JenkinsPipelineBuilder).to receive(:debug).and_return true
       job_name = 'test_job'
       body = ''
-      test_path = File.expand_path('../fixtures/generator_tests', __FILE__)
+      test_path = File.expand_path('fixtures/generator_tests', __dir__)
       File.open("#{test_path}/#{job_name}.xml", 'r') do |f|
         f.each_line do |line|
           body << line
@@ -274,7 +274,7 @@ def fixture_path(fixture)
 
   describe '#projects' do
     it 'returns a list of projects' do
-      path = File.expand_path('../fixtures/generator_tests/multi_project', __FILE__)
+      path = File.expand_path('fixtures/generator_tests/multi_project', __dir__)
       expect(@generator.projects(path)).to eq %w[SamplePipeline1 SamplePipeline2 SamplePipeline3]
     end
   end
@@ -294,7 +294,7 @@ def fixture_path(fixture)
     end
     it 'generates xml and saves to disk without sending jobs to the server' do
       job_name = 'TemplatePipeline'
-      path = File.expand_path('../fixtures/generator_tests/template_pipeline', __FILE__)
+      path = File.expand_path('fixtures/generator_tests/template_pipeline', __dir__)
       errors = @generator.file(path, job_name)
       expect(errors).to be_empty
       expect(File.exist?("out/xml/#{job_name}-10.xml")).to be true
diff --git a/spec/lib/jenkins_pipeline_builder/job_collection_spec.rb b/spec/lib/jenkins_pipeline_builder/job_collection_spec.rb
index 6159dd7..fd2a5a9 100644
--- a/spec/lib/jenkins_pipeline_builder/job_collection_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/job_collection_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../spec_helper', __FILE__)
+require File.expand_path('spec_helper', __dir__)
 
 describe JenkinsPipelineBuilder::JobCollection do
   before :all do
@@ -21,7 +21,7 @@
 
   context '#load_from_path' do
     before :all do
-      path = File.expand_path('../fixtures/job_collection/', __FILE__)
+      path = File.expand_path('fixtures/job_collection', __dir__)
       described_class.new.load_from_path path
     end
 
diff --git a/spec/lib/jenkins_pipeline_builder/job_spec.rb b/spec/lib/jenkins_pipeline_builder/job_spec.rb
index fd035cb..f03f392 100644
--- a/spec/lib/jenkins_pipeline_builder/job_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/job_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../spec_helper', __FILE__)
+require File.expand_path('spec_helper', __dir__)
 
 describe JenkinsPipelineBuilder::Job do
   before :all do
diff --git a/spec/lib/jenkins_pipeline_builder/module_registry_spec.rb b/spec/lib/jenkins_pipeline_builder/module_registry_spec.rb
index aa88068..754f319 100644
--- a/spec/lib/jenkins_pipeline_builder/module_registry_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/module_registry_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../spec_helper', __FILE__)
+require File.expand_path('spec_helper', __dir__)
 
 describe JenkinsPipelineBuilder::ModuleRegistry do
   after :each do
diff --git a/spec/lib/jenkins_pipeline_builder/promotion_spec.rb b/spec/lib/jenkins_pipeline_builder/promotion_spec.rb
index 92c57aa..2d05422 100644
--- a/spec/lib/jenkins_pipeline_builder/promotion_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/promotion_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../spec_helper', __FILE__)
+require File.expand_path('spec_helper', __dir__)
 
 describe JenkinsPipelineBuilder::Promotion do
   before :all do
diff --git a/spec/lib/jenkins_pipeline_builder/pull_request_generator_spec.rb b/spec/lib/jenkins_pipeline_builder/pull_request_generator_spec.rb
index ed58e02..75280b2 100644
--- a/spec/lib/jenkins_pipeline_builder/pull_request_generator_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/pull_request_generator_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../spec_helper', __FILE__)
+require File.expand_path('spec_helper', __dir__)
 require 'json'
 
 describe JenkinsPipelineBuilder::PullRequestGenerator do
diff --git a/spec/lib/jenkins_pipeline_builder/spec_helper.rb b/spec/lib/jenkins_pipeline_builder/spec_helper.rb
index 3f90812..d29fe8a 100644
--- a/spec/lib/jenkins_pipeline_builder/spec_helper.rb
+++ b/spec/lib/jenkins_pipeline_builder/spec_helper.rb
@@ -6,7 +6,7 @@
 require 'webmock/rspec'
 require 'equivalent-xml'
 
-require File.expand_path('../../../../lib/jenkins_pipeline_builder', __FILE__)
+require File.expand_path('../../../lib/jenkins_pipeline_builder', __dir__)
 
 RSpec::Matchers.define :have_min_version do |version|
   match do |base|
diff --git a/spec/lib/jenkins_pipeline_builder/utils_spec.rb b/spec/lib/jenkins_pipeline_builder/utils_spec.rb
index c4b1151..cf21f1b 100644
--- a/spec/lib/jenkins_pipeline_builder/utils_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/utils_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../spec_helper', __FILE__)
+require File.expand_path('spec_helper', __dir__)
 
 describe JenkinsPipelineBuilder::Utils do
   let(:utils) { JenkinsPipelineBuilder::Utils }
diff --git a/spec/lib/jenkins_pipeline_builder/view_spec.rb b/spec/lib/jenkins_pipeline_builder/view_spec.rb
index 98a210c..c5904ea 100644
--- a/spec/lib/jenkins_pipeline_builder/view_spec.rb
+++ b/spec/lib/jenkins_pipeline_builder/view_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../spec_helper', __FILE__)
+require File.expand_path('spec_helper', __dir__)
 
 describe JenkinsPipelineBuilder::View do
   before(:all) do
@@ -12,7 +12,7 @@
     generator = JenkinsPipelineBuilder.generator
     @view = JenkinsPipelineBuilder::View.new(generator)
   end
-  let(:path) { File.expand_path('../fixtures/view_test/', __FILE__) }
+  let(:path) { File.expand_path('fixtures/view_test', __dir__) }
   let(:view) { { name: 'view', parent_view: 'ParentView', type: 'categorizedView', description: 'ViewTest', regex: 'ViewTest.*', groupingRules: [{ groupRegex: 'ViewTest-1.*', namingRule: '1. Commit Stage' }] } }
 
   describe '#generate' do
diff --git a/spec/requests/pipeline_spec.rb b/spec/requests/pipeline_spec.rb
index e3f11f8..ee0cede 100644
--- a/spec/requests/pipeline_spec.rb
+++ b/spec/requests/pipeline_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../lib/jenkins_pipeline_builder/spec_helper', __FILE__)
+require File.expand_path('../lib/jenkins_pipeline_builder/spec_helper', __dir__)
 
 describe 'Pipeline' do
   before :all do