thread-safety is missing

[yegor256]

I'm running

mvn install -T 1C

and I'm getting this warning:

[WARNING] *****************************************************************
[WARNING] * Your build is requesting parallel execution, but this         *
[WARNING] * project contains the following plugin(s) that have goals not  *
[WARNING] * marked as thread-safe to support parallel execution.          *
[WARNING] * While this /may/ work fine, please look for plugin updates    *
[WARNING] * and/or request plugins be made thread-safe.                   *
[WARNING] * If reporting an issue, report it against the plugin in        *
[WARNING] * question, not against Apache Maven.                           *
[WARNING] *****************************************************************
[WARNING] The following plugins are not marked as thread-safe in eo:
[WARNING]   com.github.volodya-lombrozo:jtcop-maven-plugin:1.3.1

Would be great to make this plugin thread-safe.