bullet.gemspec in bullet-5.7.5 vs bullet.gemspec in bullet-5.7.6

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-lib = File.expand_path('../lib/', __FILE__)
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift lib unless $LOAD_PATH.include?(lib)
 
 require 'bullet/version'
 
 Gem::Specification.new do |s|