Please update to this version asap, for more info see #41 .
tl;dr; players could get invulnerable if you'd remove simpleauth / switched to premiumAutoLogin.
Developer information
Projects on Modrinth are automatically available through a Maven repository for use with JVM build tools such as Gradle.
maven { name = "Modrinth"; url = "https://api.modrinth.com/maven" }