diff --git a/Gemfile b/Gemfile
index d4b136f..eadac5f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,10 +4,10 @@ gemspec
 
 group 'test' do
   gem 'coveralls', require: false
-  gem 'simplecov-html', require: false
+  gem 'guard-rspec', require: false
+  gem 'neo4j-core'
   gem 'rake'
   gem 'rspec'
   gem 'rspec-its'
-  gem 'guard-rspec', require: false
-  gem 'neo4j-core'
+  gem 'simplecov-html', require: false
 end
diff --git a/Guardfile b/Guardfile
index 5258dcb..9ec08bd 100644
--- a/Guardfile
+++ b/Guardfile
@@ -30,6 +30,6 @@ end
 
 guard :rspec, cmd: 'bundle exec rspec' do
   watch(%r{^spec/.+_spec\.rb$})
-  watch(%r{^lib/(.+)\.rb})     { |m| "spec/lib/#{m[1]}_spec.rb" }
-  watch('spec/spec_helper.rb')  { 'spec' }
+  watch(%r{^lib/(.+)\.rb}) { |m| "spec/lib/#{m[1]}_spec.rb" }
+  watch('spec/spec_helper.rb') { 'spec' }
 end
diff --git a/lib/neo4j/rake_tasks/download.rb b/lib/neo4j/rake_tasks/download.rb
index 06499bf..693e4a4 100644
--- a/lib/neo4j/rake_tasks/download.rb
+++ b/lib/neo4j/rake_tasks/download.rb
@@ -31,6 +31,7 @@ def create_progress_bar(message, total)
 
       def update_progress_bar(value)
         return unless @progress_bar
+
         value = @progress_bar.total >= value ? value : @progress_bar.total
         @progress_bar.progress = value
       end
diff --git a/lib/neo4j/rake_tasks/neo4j_server.rake b/lib/neo4j/rake_tasks/neo4j_server.rake
index b537d00..b1bdb43 100644
--- a/lib/neo4j/rake_tasks/neo4j_server.rake
+++ b/lib/neo4j/rake_tasks/neo4j_server.rake
@@ -3,9 +3,8 @@
 require 'os'
 require 'zip'
 require 'pathname'
-require File.expand_path('../windows_server_manager', __FILE__)
-require File.expand_path('../starnix_server_manager', __FILE__)
-
+require File.expand_path('windows_server_manager', __dir__)
+require File.expand_path('starnix_server_manager', __dir__)
 
 namespace :neo4j do
   def clear_task_if_defined(task_name)
@@ -38,9 +37,7 @@ namespace :neo4j do
     server_manager = server_manager(args[:environment])
     server_manager.install(args[:edition])
 
-    if server_manager.supports_auth?
-      server_manager.config_auth_enabeled!(false)
-    end
+    server_manager.config_auth_enabeled!(false) if server_manager.supports_auth?
 
     puts 'To start it type one of the following:'
     puts cyanize('  rake neo4j:start')
@@ -94,7 +91,6 @@ namespace :neo4j do
   task :config, :environment, :port do |_, args|
     args.with_defaults(environment: :development, port: 7474)
 
-
     puts "Config Neo4j in #{args[:environment]}"
 
     server_manager = server_manager(args[:environment])
diff --git a/lib/neo4j/rake_tasks/starnix_server_manager.rb b/lib/neo4j/rake_tasks/starnix_server_manager.rb
index 5997fa5..918e624 100644
--- a/lib/neo4j/rake_tasks/starnix_server_manager.rb
+++ b/lib/neo4j/rake_tasks/starnix_server_manager.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../server_manager', __FILE__)
+require File.expand_path('server_manager', __dir__)
 
 module Neo4j
   module RakeTasks
diff --git a/lib/neo4j/rake_tasks/version.rb b/lib/neo4j/rake_tasks/version.rb
index 017ad6d..4ae0c43 100644
--- a/lib/neo4j/rake_tasks/version.rb
+++ b/lib/neo4j/rake_tasks/version.rb
@@ -1,5 +1,5 @@
 module Neo4j
   module RakeTasks
-    VERSION = '0.7.19'
+    VERSION = '0.7.19'.freeze
   end
 end
diff --git a/lib/neo4j/rake_tasks/windows_server_manager.rb b/lib/neo4j/rake_tasks/windows_server_manager.rb
index de5e3da..536d535 100644
--- a/lib/neo4j/rake_tasks/windows_server_manager.rb
+++ b/lib/neo4j/rake_tasks/windows_server_manager.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../server_manager', __FILE__)
+require File.expand_path('server_manager', __dir__)
 
 module Neo4j
   module RakeTasks
@@ -24,7 +24,7 @@ def install
       def validate_is_system_admin!
         return if nt_admin?
 
-        fail 'You do not have administrative rights to stop the Neo4j Service'
+        raise 'You do not have administrative rights to stop the Neo4j Service'
       end
 
       protected
@@ -60,7 +60,7 @@ def each_file_in_zip(zip_path)
       end
 
       def nt_admin?
-        system_or_fail('reg query "HKU\\S-1-5-19"').size > 0
+        !system_or_fail('reg query "HKU\\S-1-5-19"').empty?
       end
     end
   end
diff --git a/neo4j-rake_tasks.gemspec b/neo4j-rake_tasks.gemspec
index 89be258..fb5cf8c 100644
--- a/neo4j-rake_tasks.gemspec
+++ b/neo4j-rake_tasks.gemspec
@@ -1,4 +1,4 @@
-lib = File.expand_path('../lib/', __FILE__)
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift lib unless $LOAD_PATH.include?(lib)
 
 require 'neo4j/rake_tasks/version'
@@ -25,26 +25,27 @@ DESCRIPTION
 
   s.require_path = 'lib'
   s.files = Dir.glob('{bin,lib,config}/**/*') +
-    %w(README.md Gemfile neo4j-rake_tasks.gemspec)
+            %w[README.md Gemfile neo4j-rake_tasks.gemspec]
   s.has_rdoc = true
-  s.extra_rdoc_files = %w( README.md )
+  s.extra_rdoc_files = %w[README.md]
   s.rdoc_options = [
     '--quiet',
     '--title',
     '--line-numbers',
     '--main',
     'README.rdoc',
-    '--inline-source']
+    '--inline-source'
+  ]
 
-  s.add_dependency('rake')
   s.add_dependency('os')
+  s.add_dependency('rake')
   s.add_dependency('ruby-progressbar')
   s.add_dependency('rubyzip', '>= 1.1.7')
 
   # s.add_development_dependency('vcr')
-  s.add_development_dependency('pry')
-  s.add_development_dependency('simplecov')
   s.add_development_dependency('guard')
   s.add_development_dependency('guard-rubocop')
+  s.add_development_dependency('pry')
   s.add_development_dependency('rubocop')
+  s.add_development_dependency('simplecov')
 end
diff --git a/release_if_new.rb b/release_if_new.rb
index f57b3d7..4ec8686 100755
--- a/release_if_new.rb
+++ b/release_if_new.rb
@@ -7,23 +7,22 @@
 
 gemspec_files = Dir.glob('*.gemspec')
 
-fail 'Too many gemspecs!' if gemspec_files.size > 1
+raise 'Too many gemspecs!' if gemspec_files.size > 1
 
 gemspec_file = gemspec_files.first
 gem_name = File.basename(gemspec_file, '.*')
 
-spec = Gem::Specification::load(gemspec_file)
+spec = Gem::Specification.load(gemspec_file)
 
 LOGGER.info "Checking to see if version #{spec.version} of gem `#{gem_name}` exists"
 
 http_result = `curl --head https://rubygems.org/gems/#{gem_name}/versions/#{spec.version} | head -1`
 
-status_code = http_result.match(/^HTTP\/[\d\.]+ (\d+)/)[1].to_i
+status_code = http_result.match(%r{^HTTP/[\d\.]+ (\d+)})[1].to_i
 
 if status_code == 200
-  LOGGER.info "Version already exists"
+  LOGGER.info 'Version already exists'
 else
-  LOGGER.info "Version does not exist.  Releasing..."
+  LOGGER.info 'Version does not exist.  Releasing...'
   system('rake release')
 end
-
diff --git a/spec/starnix_server_manager_spec.rb b/spec/starnix_server_manager_spec.rb
index 7e4007e..076aaee 100644
--- a/spec/starnix_server_manager_spec.rb
+++ b/spec/starnix_server_manager_spec.rb
@@ -6,7 +6,7 @@
 
 require 'neo4j/rake_tasks/starnix_server_manager'
 
-BASE_PATHNAME = Pathname.new(File.expand_path('../', __FILE__))
+BASE_PATHNAME = Pathname.new(File.expand_path(__dir__))
 
 module Neo4j
   module RakeTasks
@@ -19,7 +19,7 @@ module RakeTasks
         subject { server_manager.modify_config_contents(contents, properties) }
         after(:each) { path.rmtree }
 
-        let_context properties: {prop: 2} do
+        let_context properties: { prop: 2 } do
           let_context(contents: 'prop=1') { it { should eq('prop=2') } }
           let_context(contents: 'prop =1') { it { should eq('prop=2') } }
           let_context(contents: 'prop= 1') { it { should eq('prop=2') } }
@@ -37,11 +37,11 @@ module RakeTasks
         end
 
         let_context contents: 'prop=false' do
-          let_context(properties: {prop: true}) { it { should eq('prop=true') } }
+          let_context(properties: { prop: true }) { it { should eq('prop=true') } }
         end
 
         let_context contents: 'prop=true' do
-          let_context(properties: {prop: false}) { it { should eq('prop=false') } }
+          let_context(properties: { prop: false }) { it { should eq('prop=false') } }
         end
       end
 
@@ -57,14 +57,14 @@ def server_up(port)
 
         before(:each) do
           if server_up(neo4j_port)
-            fail "There is a server already running on port #{neo4j_port}.  Can't run spec"
+            raise "There is a server already running on port #{neo4j_port}.  Can't run spec"
           end
 
           if path.exist?
             message = 'DB temporary directory already exists! '
             message += "Delete #{path} if safe to do so and then proceed"
 
-            fail message
+            raise message
           end
         end