grpc_mock.gemspec in grpc_mock-0.3.1 vs grpc_mock.gemspec in grpc_mock-0.4.0

@@ -20,10 +20,10 @@
   end
   spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.add_dependency 'grpc', '>= 1.12.0', '< 1.22.0'
+  spec.add_dependency 'grpc', '>= 1.12.0', '< 2'
 
   spec.add_development_dependency 'bundler'
   spec.add_development_dependency 'grpc-tools'
   spec.add_development_dependency 'pry-byebug'
   spec.add_development_dependency 'rake', '~> 10.0'