diff --git a/two_factor_authentication.gemspec b/two_factor_authentication.gemspec
index d606d6e..a5b886d 100644
--- a/two_factor_authentication.gemspec
+++ b/two_factor_authentication.gemspec
@@ -33,7 +33,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'bundler'
   s.add_development_dependency 'rake'
   s.add_development_dependency 'rspec-rails', '>= 3.0.1'
-  s.add_development_dependency 'capybara', '2.4.1'
+  s.add_development_dependency 'capybara', '~> 2.5'
   s.add_development_dependency 'pry'
   s.add_development_dependency 'timecop'
 end