attrs>=17.2.0
isodate>=0.5.4
lxml>=4.6.0
platformdirs>=1.4.0
requests>=2.7.0
requests-toolbelt>=0.7.1
requests-file>=1.5.1

[async]
httpx>=0.15.0
packaging

[docs]
sphinx>=1.4.0

[xmlsec]
xmlsec>=0.6.1
