How to change homepage title in Shoestrap 3.1.0.2

functions.php

/*
 * Change homepage title
 */
function shoestrap_new_homepage_title() {
  echo 'My new title';
}

function shoestrap_change_homepage_title() {
  if (is_home()) {
    add_action( 'shoestrap_page_header_override', 'shoestrap_new_homepage_title' );
  }
}
add_action( 'wp', 'shoestrap_change_homepage_title' );