diff --git a/Gemfile b/Gemfile
index 4b64debf..6ab2fdfe 100644
--- a/Gemfile
+++ b/Gemfile
@@ -108,7 +108,7 @@ group :test do
   gem "selenium-webdriver"
   gem "rails-controller-testing"
   # Pin minitest to 5.x until Rails 8.1 compatibility is resolved
-  gem "minitest", "~> 5.27"
+  gem "minitest", "~> 6.0"
 end
 
 gem "jsbundling-rails", "~> 1.3"
diff --git a/Gemfile.lock b/Gemfile.lock
index 55cbdd04..6f56a761 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -303,7 +303,9 @@ GEM
     mini_magick (5.3.1)
       logger
     mini_mime (1.1.5)
-    minitest (5.27.0)
+    minitest (6.0.3)
+      drb (~> 2.0)
+      prism (~> 1.5)
     msgpack (1.8.0)
     multi_json (1.19.1)
     multi_xml (0.8.1)
@@ -640,7 +642,7 @@ DEPENDENCIES
   jsbundling-rails (~> 1.3)
   jwt (~> 2.7)
   kamal
-  minitest (~> 5.27)
+  minitest (~> 6.0)
   omniauth (~> 2.1)
   omniauth-google-oauth2 (~> 1.2)
   omniauth-rails_csrf_protection (~> 2.0)