diff --git a/gir_ffi-gtk.gemspec b/gir_ffi-gtk.gemspec
index f303aa9..4aa50bc 100644
--- a/gir_ffi-gtk.gemspec
+++ b/gir_ffi-gtk.gemspec
@@ -28,7 +28,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "rake-manifest", "~> 0.2.0"
   spec.add_development_dependency "rubocop", "~> 1.52"
-  spec.add_development_dependency "rubocop-minitest", "~> 0.33.0"
+  spec.add_development_dependency "rubocop-minitest", "~> 0.34.1"
   spec.add_development_dependency "rubocop-packaging", "~> 0.5.2"
   spec.add_development_dependency "rubocop-performance", "~> 1.18"
   spec.add_development_dependency "rubocop-rake", "~> 0.6.0"