diff --git a/dyndnsd.gemspec b/dyndnsd.gemspec
index cd6d5a1..7cb87a5 100644
--- a/dyndnsd.gemspec
+++ b/dyndnsd.gemspec
@@ -46,6 +46,6 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rspec'
   s.add_development_dependency 'rubocop', '~> 1.73.1'
   s.add_development_dependency 'rubocop-rake', '~> 0.7.1'
-  s.add_development_dependency 'rubocop-rspec', '~> 3.4.0'
+  s.add_development_dependency 'rubocop-rspec', '~> 3.5.0'
   s.add_development_dependency 'solargraph', '~> 0.49.0'
 end