Zeek not found?

I'm trying to install the open source IDS zeek (former bro) but the following errors shows up:

Code:

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root@kali# apt install zeek
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package zeek is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source


E: Package 'zeek' has no installation candidate

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It's not in the debian testing repo, and it's not really for pentesting, so it won't be in the packages. You'll have to compiling it from sources