diff --git a/payment_settup.gemspec b/payment_settup.gemspec
index c64194c..bb2819b 100644
--- a/payment_settup.gemspec
+++ b/payment_settup.gemspec
@@ -33,7 +33,7 @@ Gem::Specification.new do |s|
   s.files = Dir["{app,config,db,lib}/**/*", "MIT-LICENSE", "Rakefile", "README.rdoc"]
   s.test_files = Dir["test/**/*"]
 
-  s.add_dependency "rails", "~> 4.1.16"
+  s.add_dependency "rails", ">= 4.1.16"
 
   s.add_development_dependency "sqlite3"
 end