Rspec compatibility issue

I'm trying to get Rspec working. Using the installing 1.0.7 & the Rails
plugin, I tried one of the examples on Rspec's website and produced the
following error:

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Your RSpec on Rails plugin is incompatible with your installed RSpec.

RSpec : 1.0.7 (r2332)
RSpec on Rails : r2331

Make sure your RSpec on Rails plugin is compatible with your RSpec gem.
See http://rspec.rubyforge.org/documentation/rails/install.html for
details.
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The 1.0.7 release suffered a deployment problem and is already
replaced by 1.0.8.

Go ahead and give that a shot.

Cheers,
David