Depends on the module

Running  cpanp -o once a week month regular-time-period, and checking the Changelog for each module listed as outdated ought to suffice

Or as others have said when you encounter a bug

OTOH, it helps to check some modules frequenly, like Mozilla::CA -- but its kind of a special case for less loved operating systems :)

In reply to Re: When do I update a module by Anonymous Monk
in thread When do I update a module by ShermW0829

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