cytoolz<1.0.0,>=0.9.0
eth-utils<1.0.0,>=0.7.1
rlp<1.0.0,>=0.6.0
semantic_version<3.0.0,>=2.6.0
eth-keys<0.2.0,>=0.1.0b3

[py-evm]
py-evm<0.3.0,>=0.2.0a7

[pyethereum16]
ethereum<2.0.0,>=1.6.0

[pyethereum21]
ethereum<2.2.0,>=2.1.0
