Exclude a package from updating in composer

Question

Whenever I try to add a new package using composer like \"composer require packagename/package\" or use \"composer.phar update\", I am getting all the

Answer 1

Using composer require packagename/package, you require a new package and you get a partial update for just packagename/package and its dependencies.

composer update packagename/package can be used to trigger the same partial update, but then in case you already have packagename/package in your composer.json.