Are you sure you want this in `src/it/it0004*/pom.xml` instead of the top-level `pom.xml`? That's where [the postbuild hook is registered already](https://github.com/maven-nar/nar-maven-plugin/blob/24e183cca416a652dd8d14d584266868f1c4296d/pom.xml#L405)...