[aws]
pymongo-auth-aws<2.0.0

[encryption]
pymongocrypt<2.0.0,>=1.1.0

[gssapi]
pykerberos

[ocsp]
pyopenssl>=17.2.0
requests<3.0.0
service_identity>=18.1.0

[snappy]
python-snappy

[srv]
dnspython<2.0.0,>=1.16.0

[tls]

[zstd]
zstandard