link to original gem - https://github.com/paysafegroup/paysafe_sdk_ruby
gem(
'Paysafe',
git: 'https://github.com/upper-hand/paysafe_sdk_ruby',
branch: 'upper-hand-extensions',
require: 'paysafe',
)
gem(
'Paysafe',
path: 'your-local-path/paysafe_sdk_ruby',
require: 'paysafe',
)
bundle update Paysafe --local --source=/your-local-path/paysafe_sdk_ruby
Pay attention to your-local-path