diff --git a/capybara-screenshot.gemspec b/capybara-screenshot.gemspec
index 6436d51..704ec81 100644
--- a/capybara-screenshot.gemspec
+++ b/capybara-screenshot.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |s|
   if RUBY_VERSION < "1.9"
     s.add_dependency 'capybara', ['>= 1.0', '< 2']
   else
-    s.add_dependency 'capybara', ['>= 1.0', '< 3']
+    s.add_dependency 'capybara', ['>= 1.0', '< 4']
   end
   s.add_dependency 'launchy'