pytz>=2017.2
libtaxii>=1.1.111
lxml>=4.3.1
pyyaml>=3.11
flask>=0.10.1
sqlalchemy>=1.1.2
structlog>=18.1.0
blinker>=1.4
pyjwt>=1.4.0
six>=1.10.0
mypy-extensions>=0.4.3
stix2>=3.0.1
marshmallow>=3.10.0
