knapsack_pro.gemspec in knapsack_pro-1.12.0 vs knapsack_pro.gemspec in knapsack_pro-1.12.1

@@ -25,10 +25,10 @@
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
   spec.add_dependency 'rake', '>= 0'
 
-  spec.add_development_dependency 'bundler', '~> 1.6'
+  spec.add_development_dependency 'bundler', '>= 1.6'
   spec.add_development_dependency 'rspec', '~> 3.0', '>= 2.10.0'
   spec.add_development_dependency 'rspec-its', '~> 1.2'
   spec.add_development_dependency 'cucumber', '>= 0'
   spec.add_development_dependency 'spinach', '>= 0.8'
   spec.add_development_dependency 'minitest', '>= 5.0.0'