diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index cb1aa522..e71b550b 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -157,7 +157,7 @@ GEM
     method_source (1.1.0)
     mini_mime (1.1.5)
     mini_portile2 (2.8.9)
-    minitest (6.0.4)
+    minitest (6.0.6)
       drb (~> 2.0)
       prism (~> 1.5)
     msgpack (1.8.0)
diff --git a/gem/ruby_ui.gemspec b/gem/ruby_ui.gemspec
index 08ce5bac..e6976910 100644
--- a/gem/ruby_ui.gemspec
+++ b/gem/ruby_ui.gemspec
@@ -20,5 +20,5 @@ Gem::Specification.new do |s|
   s.add_development_dependency "tailwind_merge", "~> 0.12"
   s.add_development_dependency "rake", "~> 13.0"
   s.add_development_dependency "standard", "~> 1.0"
-  s.add_development_dependency "minitest", "~> 5.0"
+  s.add_development_dependency "minitest", "~> 6.0"
 end