import org.jetbrains.kotlin.gradle.tasks.KotlinCompile plugins { kotlin("jvm") version "1.5.10" application } group = "me.dcurrie" version = "1.0-SNAPSHOT" repositories { mavenCentral() } dependencies { testImplementation(kotlin("test")) } tasks.test { useJUnit() } tasks.withType<KotlinCompile>() { kotlinOptions.jvmTarget = "11" } sourceSets { main { java.srcDir("src") } test { java.srcDir("test") } }