relation_name.updated_at - wrong timestamp updating

[emprove]

laravel-mongodb 3.5.3
laravel 5.8.35

When updating some model, Eloquent builder add "collection_name.updated_at" values and not updating original updated_at field.

array:3 [▼ "users.updated_at" => "2018-12-30 16:01:40" "name" => "foo" "updated_at" => "2018-12-30 16:01:40" ]

Related topics:
laravel/framework#26995
laravel/framework#26997
laravel/framework#27791

But i cant figure out how to fix it.

[Smolevich]

Hello, @emprove. Let's go slack, link here

[emprove]

close, cause problem in the laravel-model-caching package.