paperwork.gemspec in paperwork-0.3.4 vs paperwork.gemspec in paperwork-0.3.5

@@ -31,9 +31,10 @@
     spec.add_development_dependency "rspec", "~> 3.0"
     spec.add_development_dependency "rspec_junit_formatter", "~> 0.4.1"
     spec.add_development_dependency "rubocop", "~> 0.87.1"
     spec.add_development_dependency "simplecov", "~> 0.18.5"
 
+    spec.add_runtime_dependency "listen", "~> 3.4.1"
     spec.add_runtime_dependency "rake", "~> 12.3"
     spec.add_runtime_dependency "redcarpet", "~> 3.5.0"
     spec.add_runtime_dependency "thor", "~> 1.1.0"
 end