diff --git a/Tray.gemspec b/Tray.gemspec
index e1b6a1b..b675011 100644
--- a/Tray.gemspec
+++ b/Tray.gemspec
@@ -19,7 +19,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_development_dependency "bundler", "~> 1.7"
-  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rake", "~> 13.0"
   
   spec.add_dependency "virtus"
   spec.add_dependency "redis"