python/requests-kerberos/requirements.txt

requests>=1.1.0
winkerberos >= 0.5.0; sys.platform == 'win32'
pykerberos >= 1.1.8, < 1.2.0; sys.platform != 'win32'
cryptography>=1.3
cryptography>=1.3; python_version!="3.3"
cryptography>=1.3, <2; python_version=="3.3"