diff --git a/marksila.gemspec b/marksila.gemspec
index 9239804..badef2b 100644
--- a/marksila.gemspec
+++ b/marksila.gemspec
@@ -17,7 +17,7 @@ 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", "~> 4.2.3"
+  s.add_dependency "rails", ">= 4.2.3"
 
   s.add_development_dependency "sqlite3"
 end