I started to use MaryTTS in a java project and it’s working fine but with an english voice : I need to set the voice to French. So this is my pom.xml : Those are my dependencies, so I have the maryTTS one, and the one that should bring me the french voice that I take on MavenSearch : https://search.maven.org/artifact/de.dfki.mary/marytts-lang-fr/5.2.1/jar