diff --git a/instrumentation/rails/Gemfile b/instrumentation/rails/Gemfile
index 3ddfcb9045..106e2ef6be 100644
--- a/instrumentation/rails/Gemfile
+++ b/instrumentation/rails/Gemfile
@@ -10,7 +10,7 @@ gemspec
 
 group :test do
   gem 'appraisal', '~> 2.5'
-  gem 'minitest', '~> 5.0'
+  gem 'minitest', '~> 6.0'
   gem 'opentelemetry-sdk', '~> 1.1'
   gem 'opentelemetry-test-helpers', '~> 0.3'
   gem 'rack-test', '~> 2.2.0'
diff --git a/instrumentation/rails/test/railtie/dummy/config/application.rb b/instrumentation/rails/test/railtie/dummy/config/application.rb
index 8df5a9914c..cf5b9b0e4f 100644
--- a/instrumentation/rails/test/railtie/dummy/config/application.rb
+++ b/instrumentation/rails/test/railtie/dummy/config/application.rb
@@ -15,7 +15,6 @@
 require 'action_view/railtie'
 # require "action_cable/engine"
 # require "sprockets/railtie"
-require 'rails/test_unit/railtie'
 
 # Require the gems listed in Gemfile, including any gems
 # you've limited to :test, :development, or :production.