diff --git a/iso8601.gemspec b/iso8601.gemspec
index a5a3cc5..fa2c9f0 100644
--- a/iso8601.gemspec
+++ b/iso8601.gemspec
@@ -27,5 +27,5 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rake', '~> 13.0'
   s.add_development_dependency 'rspec', '~> 3.9'
   s.add_development_dependency 'rubocop', '~> 0.89'
-  s.add_development_dependency 'rubocop-packaging', '~> 0.3.0'
+  s.add_development_dependency 'rubocop-packaging', '~> 0.5.0'
 end