oboe-heroku.gemspec in oboe-heroku-0.9.11.0 vs oboe-heroku.gemspec in oboe-heroku-0.9.12.2

@@ -18,10 +18,12 @@
   s.files = `git ls-files`.split("\n")
   s.test_files  = Dir.glob("{spec}/**/*.rb")
    
   s.extensions = ['ext/oboe_metal/extconf.rb']
     
-  s.add_dependency(%q<oboe>, [">= 2.6.3.0"])
+  s.add_dependency(%q<oboe>, ["~> 2.6"])
 
-  s.add_development_dependency 'rake'
-  s.add_development_dependency 'rspec'
+  s.add_development_dependency 'rake', '~> 0'
+  s.add_development_dependency 'rspec', '~> 0'
+
+  s.required_ruby_version = '>= 1.8.6'
 end