whonix gives error

I get this error on Whonix workstation how can I fix it

[WARNING] [systemcheck] Debian Package Update Check Result: apt-get reports that packages can be updated.
Please update Whonix-Gateway and Whonix-Workstation:
(Open a terminal, Start Menu → System → Terminal.)

The instructions are already inside the message that you copied.

Detailed instructions are here:

(Whonix is based on Kicksecure.)

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