magro.gemspec in magro-0.5.0 vs magro.gemspec in magro-0.5.1

@@ -33,7 +33,7 @@
   spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
   spec.extensions    = ['ext/magro/extconf.rb']
 
-  spec.add_runtime_dependency 'numo-narray', '~> 0.9.1'
+  spec.add_runtime_dependency 'numo-narray', '>= 0.9.1'
 end