diff --git a/package-testing/lib/helper.rb b/package-testing/lib/helper.rb
index <HASH>..<HASH> 100644
--- a/package-testing/lib/helper.rb
+++ b/package-testing/lib/helper.rb
@@ -1 +1 @@
-$LOAD_PATH << File.expand_path(File.dirname(__FILE__))
+$LOAD_PATH << File.expand_path(__dir__)
(MAINT) Resolve rubocop Style/Dir