- s.required_ruby_version = '>= 2.1.0'
- # Note the letter 'a' at the end of the version dependency. This enables
- # bundler's dependency resolver to include 'pre-release' versions, like the
- # ones we build (but not publish) on every test pipeline job.
- # See: https://github.com/rubygems/bundler/issues/4340
- s.add_runtime_dependency 'arvados', '~> 2.4', '> 2.4.4a'
+ s.required_ruby_version = '>= 2.5.0'
+ # The minimum version's 'a' suffix is necessary to enable bundler
+ # to consider 'pre-release' versions. See:
+ # https://github.com/rubygems/bundler/issues/4340
+ s.add_runtime_dependency 'arvados', '~> 2.8.a'