diff --git a/capistrano-rails-console.gemspec b/capistrano-rails-console.gemspec
index 4dc3955..aad9634 100644
--- a/capistrano-rails-console.gemspec
+++ b/capistrano-rails-console.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency 'capistrano', '>= 3.0.0'
+  spec.add_dependency 'capistrano', '>= 3.0.0', '< 4.0.0'
 
   spec.add_development_dependency 'bundler', '~> 1.3'
   spec.add_development_dependency 'rake'