diff --git a/Gemfile.lock b/Gemfile.lock
index 702c00e..b110859 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,8 +117,8 @@ GEM
     nokogiri (1.8.2)
       mini_portile2 (~> 2.3.0)
     parallel (1.12.1)
-    parser (2.4.0.2)
-      ast (~> 2.3)
+    parser (2.5.0.4)
+      ast (~> 2.4.0)
     power_assert (1.1.1)
     powerpack (0.1.1)
     pry (0.11.3)
@@ -174,9 +174,9 @@ GEM
     request_store (1.4.0)
       rack (>= 1.4)
     require_all (1.5.0)
-    rubocop (0.52.1)
+    rubocop (0.54.0)
       parallel (~> 1.10)
-      parser (>= 2.4.0.2, < 3.0)
+      parser (>= 2.5)
       powerpack (~> 0.1)
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
diff --git a/bin/bundle b/bin/bundle
index 58115ec..2dbb717 100755
--- a/bin/bundle
+++ b/bin/bundle
@@ -1,5 +1,5 @@
 #!/usr/bin/env ruby
 # frozen_string_literal: true
 
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
 load Gem.bin_path('bundler', 'bundle')
diff --git a/bin/rails b/bin/rails
index a365539..3504c3f 100755
--- a/bin/rails
+++ b/bin/rails
@@ -2,7 +2,7 @@
 # frozen_string_literal: true
 
 begin
-  load File.expand_path('../spring', __FILE__)
+  load File.expand_path('spring', __dir__)
 rescue LoadError => e
   raise unless e.message.include?('spring')
 end
diff --git a/bin/rake b/bin/rake
index 169c939..1fe6cf0 100755
--- a/bin/rake
+++ b/bin/rake
@@ -2,7 +2,7 @@
 # frozen_string_literal: true
 
 begin
-  load File.expand_path('../spring', __FILE__)
+  load File.expand_path('spring', __dir__)
 rescue LoadError => e
   raise unless e.message.include?('spring')
 end
diff --git a/bin/setup b/bin/setup
index f8712bf..9687cde 100755
--- a/bin/setup
+++ b/bin/setup
@@ -6,7 +6,7 @@ require 'fileutils'
 include FileUtils # rubocop:disable Style/MixinUsage
 
 # path to your application root.
-APP_ROOT = Pathname.new File.expand_path('../../', __FILE__)
+APP_ROOT = Pathname.new File.expand_path('..', __dir__)
 
 def system!(*args)
   system(*args) || abort("\n== Command #{args} failed ==")
diff --git a/bin/update b/bin/update
index 5a738a5..f18005a 100755
--- a/bin/update
+++ b/bin/update
@@ -6,7 +6,7 @@ require 'fileutils'
 include FileUtils # rubocop:disable Style/MixinUsage
 
 # path to your application root.
-APP_ROOT = Pathname.new File.expand_path('../../', __FILE__)
+APP_ROOT = Pathname.new File.expand_path('..', __dir__)
 
 def system!(*args)
   system(*args) || abort("\n== Command #{args} failed ==")
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 093d1f4..adf67ab 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require File.expand_path('../../config/environment', __FILE__)
+require File.expand_path('../config/environment', __dir__)
 require 'rails/test_help'
 
 module ActiveSupport