diff --git a/foreman_rh_cloud.gemspec b/foreman_rh_cloud.gemspec
index fef25bce..4a0f52a7 100644
--- a/foreman_rh_cloud.gemspec
+++ b/foreman_rh_cloud.gemspec
@@ -24,6 +24,7 @@ Gem::Specification.new do |s|
 
   s.add_development_dependency 'rdoc'
   s.add_development_dependency 'rubocop'
+  s.add_development_dependency 'rubocop-minitest'
   s.add_development_dependency 'rubocop-performance'
   s.add_development_dependency 'rubocop-rails'
 end