How I do to install knp-paginator-bundle


Hello! i Try to install with this command.
composer require knplabs/knp-paginator-bundle

but the console is frozen and shows this:


Using version ^2.5 for knplabs/knp-paginator-bundle
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)

How i do to install these bundle?