diff --git a/guides/bug_report_templates/active_record_gem.rb b/guides/bug_report_templates/active_record_gem.rb
index a8868a1877..63fbe27aed 100644
--- a/guides/bug_report_templates/active_record_gem.rb
+++ b/guides/bug_report_templates/active_record_gem.rb
@@ -25,7 +25,7 @@ class Comment < ActiveRecord::Base
   belongs_to :post
 end
 
-class BugTest < MiniTest::Unit::TestCase
+class BugTest < Minitest::Test
   def test_association_stuff
     post = Post.create!
     post.comments << Comment.create!
diff --git a/guides/bug_report_templates/active_record_master.rb b/guides/bug_report_templates/active_record_master.rb
index 68069cdd8d..29dedd88d0 100644
--- a/guides/bug_report_templates/active_record_master.rb
+++ b/guides/bug_report_templates/active_record_master.rb
@@ -36,7 +36,7 @@ class Comment < ActiveRecord::Base
   belongs_to :post
 end
 
-class BugTest < MiniTest::Unit::TestCase
+class BugTest < Minitest::Test
   def test_association_stuff
     post = Post.create!
     post.comments << Comment.create!