[](https://php.package.health/packages/lisachenko/immutable-object/0.5.0)
1 total, 1 outdated
| Package | Required | Latest | Status | |
|---|---|---|---|---|
| lisachenko/z-engine | Library that provides direct access to native PHP structures | ^0.7.1 | 0.9.1 | outdated |
1 total, 1 outdated
| Package | Required | Latest | Status | |
|---|---|---|---|---|
| phpunit/phpunit | The PHP Unit Testing framework. | ^7.5 | 13.1.1 | outdated |