One-liners to upgrade all pip packages.

Upgrade-All-Pip-Packages.md

Upgrade All Pip Packages

pip install -U pip
pip install -U setuptools

Batch

:: in cmd:
for /F "delims===" %X in ('pip freeze -l') do pip install -U %X
:: in batch files:
for /F "delims===" %%X in ('pip freeze -l') do pip install -U %%X

Bash

pip freeze -l | cut -d= -f1 | xargs -n1 pip install -U

Powershell

pip freeze -l | % { $_.split('==')[0] } | % { pip install -U $_ }
# without aliases:
pip freeze -l | ForEach-Object { $PSItem.split('==')[0] } | ForEach-Object { pip install -U $PSItem }