diff --git a/sidekiq.gemspec b/sidekiq.gemspec
index d48011cd..15ab8a30 100644
--- a/sidekiq.gemspec
+++ b/sidekiq.gemspec
@@ -22,5 +22,5 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency      'sinatra'
   gem.add_development_dependency      'minitest', '~> 5.3.3'
   gem.add_development_dependency      'rake'
-  gem.add_development_dependency      'rails', '~> 4.1.1'
+  gem.add_development_dependency      'rails', '>= 3.2.0'
 end