diff --git a/pundit.gemspec b/pundit.gemspec
index f9cfaf2..61f6a98 100644
--- a/pundit.gemspec
+++ b/pundit.gemspec
@@ -17,7 +17,7 @@ Gem::Specification.new do |gem|
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
 
-  gem.add_dependency "rails", "~>3.0"
+  gem.add_dependency "rails", ">=3.0.0"
   gem.add_development_dependency "rspec", "~>2.0"
   gem.add_development_dependency "pry"
   gem.add_development_dependency "rake"