It gives error:
flat-responsive-pro/woocommerce/cart/cart-shipping.php version 2.6.1 is out of date. The core version is 3.1.0,
flat-responsive-pro/woocommerce/cart/proceed-to-checkout-button.php,
flat-responsive-pro/woocommerce/checkout/form-checkout.php,
flat-responsive-pro/woocommerce/checkout/form-shipping.php version 3.0.0 is out of date. The core version is 3.0.9,
flat-responsive-pro/woocommerce/content-product.php
What can I do to fix this?