solidus_braintree.gemspec in solidus_braintree-3.0.1 vs solidus_braintree.gemspec in solidus_braintree-3.1.0

@@ -30,9 +30,10 @@
   spec.require_paths = ["lib"]
 
   spec.add_dependency 'activemerchant', '~> 1.48'
   spec.add_dependency 'braintree', '~> 3.4'
   spec.add_dependency 'solidus_api', ['>= 3.4.0.dev', '< 5']
+  spec.add_dependency 'solidus_backend', ['>= 3.4.0.dev', '< 5']
   spec.add_dependency 'solidus_core', ['>= 3.4.0.dev', '< 5']
   spec.add_dependency 'solidus_support', ['>= 0.8.1', '< 1']
 
   spec.add_development_dependency 'rails-controller-testing'
   spec.add_development_dependency 'solidus_dev_support', '~> 2.5'