How to remove on update property from TIMESTAMP column in Laravel?

Question

MySQL

In migration he wrote:

$table->timestamp('publish_at');
$table->timestamps();

But it turned out that `publish_at` is automatically updated when the model is updated. From phpmyadmin :

How to specify in migrations not to automatically update `published_at`?

Answer 1

I solved it simply:
$table->timestamp('publish_at')->nullable();