cocoapods_acknowledgements.gemspec in cocoapods-acknowledgements-1.1.1 vs cocoapods_acknowledgements.gemspec in cocoapods-acknowledgements-1.1.2

@@ -14,9 +14,12 @@
   spec.files         = `git ls-files`.split($/)
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
+  # Version 5 needs Ruby 2.2, so we specify an upper bound to stay compatible with system ruby
+  spec.add_runtime_dependency 'activesupport', '>= 4.0.2', '< 5'
+
   spec.add_dependency "redcarpet", "~> 3.3"
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.add_development_dependency "rake"
 end