Gradle concurrency issues with project.version

I have a task (lets call it firstTask) which sets project.version and another task (fourthTask) which reads project.version.
These tasks have a transitive mustRunAfter dependency:

secondTask.mustRunAfter(firstTask)
thirdTask.mustRunAfter(secondTask)
fourthTask.mustRunAfter(thirdTask)

However, sometimes fourthTask does not see the version change. In fact, it seems like it is run with a completely different project object.

I’ve also tried to force task order using a BuildService, and I’ve tried storing the version in this buildService, to no avail.

I can’t provide a build scan, as the issue goes away with --scan. So I assume it has something to do with parallel execution, which is probably disabled for build scans.

How do I do this correctly? Where do I store a value which needs to be accessed from different tasks?