diff --git a/naver-searchad-api.gemspec b/naver-searchad-api.gemspec
index e00a702..b8f1847 100644
--- a/naver-searchad-api.gemspec
+++ b/naver-searchad-api.gemspec
@@ -25,7 +25,7 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'addressable', '~> 2.5'
 
   spec.add_development_dependency 'bundler', '~> 1.14'
-  spec.add_development_dependency 'rake', '~> 10.0'
+  spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
   spec.add_development_dependency 'simplecov', '~> 0.14'
   spec.add_development_dependency 'webmock', '~> 2.1'