plugins { kotlin("jvm") version "1.3.61" application } group = "dev.acicchetti" version = "1.0-SNAPSHOT" repositories { mavenCentral() } dependencies { implementation(kotlin("stdlib-jdk8")) } tasks { compileKotlin { kotlinOptions.jvmTarget = "1.8" } compileTestKotlin { kotlinOptions.jvmTarget = "1.8" } }