WooCommerce - Change shop loop pagination settings

<?php
  // change number of page numbers in shop loop pagination
  // code goes in functions.php for your child theme
  add_filter( 'woocommerce_pagination_args', 'change_pagination');
  function change_pagination($args) {
    // how many numbers on either the start and the end list edges
    $args['end_size'] = 3;
    // how many numbers to either side of current page, but not including current page.
    $args['mid_size'] = 3;
    return $args;
  }