venedor theme need update new version for woocommerce

Dear support,

Theme venedor need update some new version for woocommerce files.

Could you pls help how to upgrade these file ?

venedor/woocommerce/cart/cart-empty.php version 2.0.0 is out of date. The core version is 3.1.0,
venedor/woocommerce/cart/cart-shipping.php version 2.5.0 is out of date. The core version is 3.1.0,
venedor/woocommerce/cart/cart.php version 3.0.3 is out of date. The core version is 3.1.0,
venedor/woocommerce/cart/cross-sells.php,
venedor/woocommerce/cart/mini-cart.php version 2.5.0 is out of date. The core version is 3.1.0,
… etc
Thanks,
Vu

You need to ask the author rather than envato support

Assuming this is the theme you are referring to their support is https://themeforest.net/item/vendor-directory-wordpress-theme-wedding-vendor/16494934/support