Cannot use Async::HTTP from inside a Ractor

[cyberarm]

require "async/http/internet/instance"

r = Ractor.new do
  Sync do
    Async::HTTP::Internet.get("https://httpbin.org/get") do |response|
      puts response.read
    end
  end
end

r.join # make process wait for ractor to run

> ruby _async_http_ractor.rb
_async_http_ractor.rb:2: warning: Ractor API is experimental and may change in future versions of Ruby.
#<Thread:0x00007f005daaaf00 run> terminated with exception (report_on_exception is true):
_async_http_ractor.rb:5:in 'block (2 levels) in <main>': defined with an un-shareable Proc in a different Ractor (RuntimeError)
	from /home/cyberarm/.rbenv/versions/4.0.0/lib/ruby/gems/4.0.0/gems/async-2.36.0/lib/async/task.rb:234:in 'block in Async::Task#run'
	from /home/cyberarm/.rbenv/versions/4.0.0/lib/ruby/gems/4.0.0/gems/async-2.36.0/lib/async/task.rb:512:in 'block in Async::Task#schedule'
_async_http_ractor.rb:10:in 'Ractor#join': thrown by remote Ractor. (Ractor::RemoteError)
	from _async_http_ractor.rb:10:in '<main>'
_async_http_ractor.rb:5:in 'block (2 levels) in <main>': defined with an un-shareable Proc in a different Ractor (RuntimeError)
	from /home/cyberarm/.rbenv/versions/4.0.0/lib/ruby/gems/4.0.0/gems/async-2.36.0/lib/async/task.rb:234:in 'block in Async::Task#run'
	from /home/cyberarm/.rbenv/versions/4.0.0/lib/ruby/gems/4.0.0/gems/async-2.36.0/lib/async/task.rb:512:in 'block in Async::Task#schedule'