Implementations of the present disclosure include receiving, by a contract updates management system, an update request indicating a change to a smart contract, the change being a proposed update to the smart contract, determining, by executing an updates smart contract within the contract updates management system, whether conditions are met for updating the smart contract to incorporate the change, the updates smart contract defining the conditions, and upon determining, by the contract updates management system, that the conditions are met, updating, by the contract updates management system, the smart contract, and recording the change to one or more blocks in a blockchain of a blockchain network.