self_systeem.gemspec in self_systeem-0.0.4 vs self_systeem.gemspec in self_systeem-0.0.5

@@ -16,11 +16,11 @@
   spec.files         = `git ls-files`.split($/)
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_runtime_dependency "rails",  "~> 4.0"
-  spec.add_runtime_dependency "minitest", "~> 4.7"
+  spec.add_runtime_dependency "rails",  ">= 4.0"
+  spec.add_runtime_dependency "minitest", ">= 4.7"
   spec.add_runtime_dependency "database_cleaner", "~> 1.2"
 
   spec.add_development_dependency "bundler", "~> 1.5"
   spec.add_development_dependency "minitest-spec-rails", "~> 5.0"
   spec.add_development_dependency "rake", "~> 10.3"