How update from 7.2. to 7.3, not 7.7?

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Hello! Can somebody explain me how correctly update my
"Red Hat Enterprise Linux Server release 7.2 (Maipo)" to 7.3, not to 7.7?

Current state:

[root@S ~]# cat /etc/*-release
NAME="Red Hat Enterprise Linux Server"
VERSION="7.2 (Maipo)"
ID="rhel"
ID_LIKE="fedora"
VERSION_ID="7.2"
PRETTY_NAME="Red Hat Enterprise Linux"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:redhat:enterprise_linux:7.2:GA:server"
HOME_URL="https://www.redhat.com/"
BUG_REPORT_URL="https://bugzilla.redhat.com/"

REDHAT_BUGZILLA_PRODUCT="Red Hat Enterprise Linux 7"
REDHAT_BUGZILLA_PRODUCT_VERSION=7.2
REDHAT_SUPPORT_PRODUCT="Red Hat Enterprise Linux"
REDHAT_SUPPORT_PRODUCT_VERSION="7.2"
Red Hat Enterprise Linux Server release 7.2 (Maipo)

How update version and all packeges just to 7.3?

P.S. I use subscription "30 Day Red Hat Enterprise Linux Server Self-Supported Evaluation".

BZ

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