diff --git a/nccu_com_vnccu_program.gemspec b/nccu_com_vnccu_program.gemspec
index b5cceb1..83e794a 100644
--- a/nccu_com_vnccu_program.gemspec
+++ b/nccu_com_vnccu_program.gemspec
@@ -17,7 +17,6 @@ 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", "~> 4.1.9"
 
   s.add_development_dependency "sqlite3"
 end