diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index a51e9cc1f7c322082c89ef4c453a92aeaa53f3d5..14d028490358c11bd2efdf2ffd1299e36aec2969 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -471,13 +471,6 @@ Style/EmptyElse:
 Style/EmptyMethod:
   Enabled: false
 
-# Offense count: 2
-# Cop supports --auto-correct.
-Style/ExpandPathArguments:
-  Exclude:
-    - 'cable/config.ru'
-    - 'config.ru'
-
 # Offense count: 118
 # Cop supports --auto-correct.
 Style/ExplicitBlockArgument:
diff --git a/config.ru b/config.ru
index f07c25f503abc7ed4d45c7fc806aa474cc29ae65..ed77402aead6f3f34f3fbb381298b7ca3f6bc4b2 100644
--- a/config.ru
+++ b/config.ru
@@ -2,7 +2,7 @@
 
 # This file is used by Rack-based servers to start the application.
 
-require ::File.expand_path('../config/environment', __FILE__)
+require ::File.expand_path('config/environment', __dir__)
 
 warmup do |app|
   client = Rack::MockRequest.new(app)