Riku Viitanen via Guix-patches via <guix-patches@gnu.org> writes:

> From ef256d03d70e1db231726fc2f9d124020b6b802e Mon Sep 17 00:00:00 2001
> From: Riku Viitanen <riku.viitanen@protonmail.com>
> Date: Mon, 6 Jan 2020 14:00:01 +0200
> Subject: [PATCH] gnu: postgresql@10: Update to 10.11.
>
> * gnu/packages/databases.scm (postgresql): Update to 10.11.

This is already on the master branch since commit
cb669c095156eef44c1ae8aecda9931a777794ad.

By the way, it would be good to switch to Postgresql 11 as the default
'postgres' variable, that are used for packages.  Would you like to try
that?  :-)