pkg staying at an older version after major version jail update

[SamKook]

I updated a classic jail from v14.something to 15.1-p2 today following the manual instructions at: https://docs.freebsd.org/en/books/handbook/jails/#jails-updating
but I'm not seeing the same software version as the host who's the same version and I'm getting this warning:

pkg: warning: database version 42 is newer than libpkg(3) version 39, but still compatible

Looking at the version for pkg, the host is at 2.8.4 and the jail is at 2.7.5 and telling me everything is up-to-date.

As far as I can tell, everything should be updated, doing

uname -r

gives the same version for both so I'm at a bit of a loss for what to do since this is my first time updating a jail.

 

[SirDice]

An OS upgrade doesn't upgrade third party packages, including pkg(8) itself.

 

[Charlie_]

The package version is 2.8.4 for latest and 2.7.5 for quarterly.

 

[SamKook]

Ah, yeah, didn't think of that one, the jail was still on the default quarterly.

I was trying to update the packages after the OS update, but like I said, it was telling me everything was up-to-date when it wasn't(compared to my main on latest).

Edit: And the way I saw it, it was an issue with the freebsd upgrade that caused me to be unable to upgrade packages, hence why I put this in the OS upgrade section at first and was kinda right since it was upgrading to the wrong branch that was the issue.