karafka-sidekiq-backend.gemspec in karafka-sidekiq-backend-1.2.0.beta3 vs karafka-sidekiq-backend.gemspec in karafka-sidekiq-backend-1.2.0.beta4

@@ -1,8 +1,8 @@
 # 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 'karafka/backends/sidekiq'
 
 Gem::Specification.new do |spec|
   spec.name        = 'karafka-sidekiq-backend'
@@ -13,10 +13,10 @@
   spec.homepage    = 'https://github.com/karafka/karafka-sidekiq-backend'
   spec.summary     = 'Karafka Sidekiq backend for background messages processing'
   spec.description = 'Karafka Sidekiq backend for background messages processing'
   spec.license     = 'MIT'
 
-  spec.add_dependency 'karafka', '>= 1.2.0.beta2'
+  spec.add_dependency 'karafka', '>= 1.2.0.beta4'
   spec.add_dependency 'sidekiq', '>= 4.2'
   spec.required_ruby_version = '>= 2.3.0'
 
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(spec)/}) }
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }