diff --git a/activerecord-tablefree.gemspec b/activerecord-tablefree.gemspec
index 8c65494..7b46f42 100644
--- a/activerecord-tablefree.gemspec
+++ b/activerecord-tablefree.gemspec
@@ -31,7 +31,7 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency('sqlite3', '~> 1.3')
 
   gem.add_development_dependency('appraisal', '~> 1.0')
-  gem.add_development_dependency('aruba', '~> 0.5')
+  gem.add_development_dependency('aruba', '~> 1.0')
   gem.add_development_dependency('cucumber', '~> 3.1')
   gem.add_development_dependency('rspec', '~> 3.1')
   gem.add_development_dependency('rspec-collection_matchers', '~> 1.0')