On Aug 28, 2019, at 4:36 PM, Gary Stainburn <gary.stainburn at ringways.co.uk> wrote: > Anyone got any suggestions? If it’s really out of date, you might need to update the ca-certificates package, but that’d have to be a really old system. I’d suggest by checking to make sure the clock on your computer isn’t really out of date. If its right, I’d double-check with ‘curl’ to see if you aren’t getting a MitM response, where your HTTPS calls are being intercepted and resigned by a CA that isn’t in your CA trust. If that’s the case, you need be very suspicious of your network. -- Jonathan Billings <billings at negate.org>