Props Doesn't update

Hello, i have variable in the parent i am trying to pass it to child and at this point all thing are good but when i try to update the value of props from parent it doesnt change in child parent

        <Pagination :currentPage="pages.current" :totalPages="totalPages" @paginate="Paginate($event)"></Pagination>
let totalPages = ref(1);

Child

const props = defineProps(['currentPage','totalPages']);
const emit =  defineEmits(['paginate']);

let currentPage = ref(props.currentPage);
let totalPages = ref(props.totalPages);