diff --git a/Gemfile b/Gemfile
index 47b96b88d..ac626dd0c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -25,7 +25,7 @@ group :development, :test do
   gem "jbuilder", "~> 2"
   gem "m", "~> 1"
   gem "method_source", "~> 1"
-  gem "minitest", "~> 5"
+  gem "minitest", "~> 6"
   gem "propshaft", "~> 1"
   gem "puma", ">= 6"
   gem "rake", "~> 13"
diff --git a/Gemfile.lock b/Gemfile.lock
index 6a21f9d01..036586507 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -183,7 +183,8 @@ GEM
     matrix (0.4.3)
     method_source (1.1.0)
     mini_mime (1.1.5)
-    minitest (5.27.0)
+    minitest (6.0.0)
+      prism (~> 1.5)
     net-imap (0.5.12)
       date
       net-protocol
@@ -432,7 +433,7 @@ DEPENDENCIES
   jbuilder (~> 2)
   m (~> 1)
   method_source (~> 1)
-  minitest (~> 5)
+  minitest (~> 6)
   propshaft (~> 1)
   puma (>= 6)
   rails (~> 8)