# updpkgsums > Update the checksums of the sources in a `PKGBUILD`. > Unless a preexisting hashing algorithm is used, SHA256 will be used. > More information: . - Update the checksums in a `PKGBUILD`: `updpkgsums` - Display help: `updpkgsums {{[-h|--help]}}` - Display version: `updpkgsums {{[-v|--version]}}`