grape.gemspec in grape-1.7.1 vs grape.gemspec in grape-1.8.0

@@ -18,14 +18,14 @@
     'changelog_uri' => "https://github.com/ruby-grape/grape/blob/v#{s.version}/CHANGELOG.md",
     'documentation_uri' => "https://www.rubydoc.info/gems/grape/#{s.version}",
     'source_code_uri' => "https://github.com/ruby-grape/grape/tree/v#{s.version}"
   }
 
-  s.add_runtime_dependency 'activesupport'
+  s.add_runtime_dependency 'activesupport', '>= 5'
   s.add_runtime_dependency 'builder'
   s.add_runtime_dependency 'dry-types', '>= 1.1'
   s.add_runtime_dependency 'mustermann-grape', '~> 1.0.0'
-  s.add_runtime_dependency 'rack', '>= 1.3.0', '< 3'
+  s.add_runtime_dependency 'rack', '>= 1.3.0'
   s.add_runtime_dependency 'rack-accept'
 
   s.files         = %w[CHANGELOG.md CONTRIBUTING.md README.md grape.png UPGRADING.md LICENSE]
   s.files        += %w[grape.gemspec]
   s.files        += Dir['lib/**/*']