oldstable mirrors all stale?

[email protected] Sun, 23 Jan 2022 14:45:10 -0600
Newsgroups gmane.linux.debian.user.mirrors
Message-ID <[email protected]>
Hi, we (muug.ca) are noticing that no matter what mirror we sync to,
our clients are complaining that apt is telling them our mirror is
stale, with errors like:

E: Release file for http://muug.ca/mirror/debian/dists/buster-updates/InRelease is expired (invalid since 20h 39min 26s). Updates for this repository will not be applied.

I've tried a few random mirrors including my original upstream
(gatech.edu) and my country mirror (ftp.ca.debian.org, @ rafal.ca) and
we're up to date w.r.t. those mirrors.

Are we the only ones seeing this?  Any suggestions/ideas?
Thanks,
-Adam Thompson
 Mirror manager, Manitoba UNIX User Group
 [email protected] / [email protected]