I also ran into this change today.The grep -i fix works for me as well (but the devs recommend upgrading the package).
- Bug#941414: dehydrated fails to find nonce Michael Becker
- Bug#941414: Me too / or upgrade to the lat... Jon Daley
- Bug#941414: dehydrated fails to find nonce Jon Daley
- Bug#941414: dehydrated fails to find n... Mattia Rizzolo
- Processed: Re: Bug#941414: dehydrated fail... Debian Bug Tracking System
- Bug#941414: certificates about to expire Florian Zumbiehl
- Bug#941414: certificates about to expi... Mattia Rizzolo
- Bug#941414: certificates about to ... Florian Zumbiehl
- Bug#941414: certificates about... Mattia Rizzolo
- Bug#941414: certificates ... Florian Zumbiehl
- Bug#941414: marked as done (dehydrated fai... Debian Bug Tracking System