diff --git a/test/active_record/support/seeds.rb b/test/active_record/support/seeds.rb
index 4f18a45..965a3fd 100644
--- a/test/active_record/support/seeds.rb
+++ b/test/active_record/support/seeds.rb
@@ -21,6 +21,8 @@
   end
 end
 
+ActiveRecord.use_yaml_unsafe_load = true
+
 users = User.create([
   { name: 'John', email: 'john@example.com' },
   { name: 'Pearl', email: 'pearl@example.com', serialized_attribute: { testing: true, deep: { deep: :deep }}},