how to create rescue initramfs image on centos 7?

After my last launch yum update my test box have keel-3.10.0-327.13.1 installed. While installing, dracut generated initramfs-3.10.0-327.13.1.el7.x86_64.img, but initramfs-0-rescue-7da0bd6ff130413b99bf0b6a1bde637e.img left old with keel-3.10.0-327. How to generate new rescue initramfs image with new keel and new keel modules like zfs installed?

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