public static function update_shipping_method() {
		check_ajax_referer( 'update-shipping-method', 'security' );

		wc_maybe_define_constant( 'WOOCOMMERCE_CART', true );

		$chosen_shipping_methods = WC()->session->get( 'chosen_shipping_methods' );
		$posted_shipping_methods = isset( $_POST['shipping_method'] ) ? wc_clean( wp_unslash( $_POST['shipping_method'] ) ) : array();

		if ( is_array( $posted_shipping_methods ) ) {
			foreach ( $posted_shipping_methods as $i => $value ) {
				$chosen_shipping_methods[ $i ] = $value;
			}
		}

		WC()->session->set( 'chosen_shipping_methods', $chosen_shipping_methods );

		self::get_cart_totals();
	}