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While fat jars imho are generally a very bad practice, in this case of that private dependency it might be appropriate. You can probably use the

shadow

plugin of John Engelman to build your fat jar and configure it to be published instead. But you also have to make sure the dependency does not land in the metadata files, maybe by declaring it as

compileOnly

or similar.

Also if it’s a private dependency, you may want to minify/obfuscate it using e.g. Proguard

Thanks for the hints, guys, much appreciated! I will investigate

shadow

, don’t need

Proguard

at the moment, but good to know it exists.