padrino-mailer.gemspec in padrino-mailer-0.13.0 vs padrino-mailer.gemspec in padrino-mailer-0.13.1.beta1

@@ -22,7 +22,7 @@
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
   s.rdoc_options  = ["--charset=UTF-8"]
 
   s.add_dependency("padrino-core", Padrino.version)
-  s.add_dependency("mail", "~> 2.5.3")
+  s.add_dependency("mail", "~> 2.5")
 end