Rakefile in rack-perftools_profiler-0.4.1 vs Rakefile in rack-perftools_profiler-0.5.0

@@ -8,10 +8,10 @@
     gem.summary = %Q{Middleware for profiling Rack-compatible apps using perftools.rb}
     gem.description = %Q{Middleware for profiling Rack-compatible apps using perftools.rb}
     gem.email = '[e-mail]'
     gem.homepage = 'http://github.com/bhb/rack-perftools_profiler'
     gem.authors = ['Ben Brinckerhoff']
-    gem.add_dependency 'perftools.rb', '~> 0.5'
+    gem.add_dependency 'perftools.rb', '~> 0.5.6'
     gem.add_dependency 'rack', '~> 1.0'
     gem.add_dependency('open4', '~> 1.0')
     gem.add_development_dependency 'rack', '~> 1.1'
     gem.add_development_dependency 'shoulda', '~> 2.10'
     gem.add_development_dependency 'mocha', '~> 0.9'