update python in pipenv

[tdwinfre]

MacBook-Air djangowebsite % pyenv virtualenv 3.8.5 djangowebsite7
pyenv-virtualenv: `3.8.5' is not installed in pyenv.
terrellwinfrey@Terrells-MacBook-Air djangowebsite % update pippyenv
zsh: command not found: update
terrellwinfrey@Terrells-MacBook-Air djangowebsite %

How do I update my pipenv to python 3.8.5 ?

[snippsat]

How do I update my pipenv to python 3.8.5 ?

pipenv and pyenv is not the same.
For pyenv on Mac follow Creating virtual environments with Pyenv