How to update python3 on Mac homebrew

Question

I am running python3 next to python on my mac (10.15.4). To be honest I don't exactly know how I installed that years ago. My guess is homebrew. Now I want to update to the newest version. How do I do that?

user@192-143-0-9 ~ % python --version
Python 2.7.16
user@192-143-0-9 ~ % python3 --version
Python 3.7.1
user@192-143-0-9 ~ % brew update
error: gc died of signal 9
Fast-forwarded master to origin/master.
Updated 1 tap (homebrew/core).

As of this posting python3 is on version 3.8.2 which is where I want to upgrade to. How can this be achieved?

Have a look here stackoverflow.com/a/59447268/2836621

Mark Setchell
– Mark Setchell

2020-04-20 07:49:09 +00:00
Commented Apr 20, 2020 at 7:49 — Mark Setchell
– Mark Setchell, Commented Apr 20, 2020 at 7:49

merlin · Accepted Answer · 2020-04-20 10:47:01Z

9

This solved it for me:

% brew upgrade python3
Updating Homebrew...
==> Auto-updated Homebrew!
Updated 1 tap (homebrew/core).
==> Updated Formulae
phpunit

==> Upgrading 1 outdated package:
python3 3.7.1 -> 3.7.7
...
% python3 -V
Python 3.7.7

answered Apr 20, 2020 at 10:47

merlin

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