Error connecting SFTP server with ssh-rsa 4096 host key

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KillboyPowerhead90
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Error connecting SFTP server with ssh-rsa 4096 host key

Hi,

i'm trying to use WinSCP.exe 5.17.5.10414 to connect to a SFTP server with a ssh-rsa 4096 host key but i get the following message:

Couldn't agree a host key algorithm (available: rsa-sha2-256,rsa-sha2-512).

With the most recent version of WinSCP.exe (6.5.1.16311) i can connect flawlessly.
I suppose that 4096 key support has been introduced in later versions > 5.17.5 but i can't find nothing about it in the public changelog.
I know i'm using a pretty old version, but is it supposed to work on my version or updating WinSCP is mandatory? What do i have to do to make it work (even a solution that involves WinSCP .NET API could be ok for me)?

Thank you very much

Ivan

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