Extending swap space

I've to install Oracle binaries (GI working fine) and for that I've extend swap space in my home computer. My host is linux 6.6 and 2 VMs are 6.4. My situation is like this.

[root@rac1 ~]# parted -s /dev/sda print free

Model: ATA VBOX HARDDISK (scsi)

Disk /dev/sda: 38.7GB

Sector size (logical/physical): 512B/512B

Partition Table: msdos

Number  Start   End     Size    Type     File system  Flags

        32.3kB  1049kB  1016kB           Free Space

1      1049kB  525MB   524MB   primary  ext4         boot

2      525MB   21.5GB  20.9GB  primary               lvm

        21.5GB  21.5GB  1370kB           Free Space

3      21.5GB  24.7GB  3216MB  primary

4      24.7GB  32.2GB  7518MB  primary

        32.2GB  38.7GB  6445MB           Free Space

[root@rac1 ~]# pvs /dev/sda