diff --git a/Gemfile b/Gemfile
index 9e51a8c..262fa6e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,6 +15,6 @@ group :development do
 end
 
 group :test do
-  gem 'minitest', '~> 5.0'
+  gem 'minitest', '~> 6.0'
   gem 'rake', '~> 13.0'
 end