gem install sinatra keeps fetching wrong version

when i type "ge开发者_高级运维m install sinatra" it keeps pulling 0.9.4 instead of the new 1.0

why does this happen?

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gem update --system
gem install sinatra

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Have you tried turning it off and on again?

gem uninstall sinatra
gem install sinatra

Or updating the specific gem?

gem update sinatra

Alternatively, you can try:

gem install --pre sinatra

But that gets you the 1.0.b version (beta version, I think), not the actual 1.0 release.