diff --git a/rspec-rails-swagger.gemspec b/rspec-rails-swagger.gemspec
index 16d24db..7b4a263 100644
--- a/rspec-rails-swagger.gemspec
+++ b/rspec-rails-swagger.gemspec
@@ -13,5 +13,5 @@ Gem::Specification.new do |s|
   s.homepage    = 'https://github.com/drewish/rspec-rails-swagger'
 
   s.required_ruby_version = '>= 2.0'
-  s.add_runtime_dependency 'rspec-rails', '~> 4.0'
+  s.add_runtime_dependency 'rspec-rails', '~> 5.0'
 end