inertia_rails.gemspec in inertia_rails-3.1.2 vs inertia_rails.gemspec in inertia_rails-3.1.3

@@ -23,10 +23,10 @@
   end
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_runtime_dependency "rails", '>= 5'
+  spec.add_runtime_dependency "railties", '>= 5'
 
   spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "rspec-rails", "~> 4.0"
   spec.add_development_dependency "rails-controller-testing"