import org.jetbrains.kotlin.gradle.tasks.KotlinCompile plugins { `kotlin-dsl` kotlin("jvm") version embeddedKotlinVersion } val gradleJvmTarget = "11" kotlin { jvmToolchain { (this as JavaToolchainSpec).languageVersion.set(JavaLanguageVersion.of(gradleJvmTarget)) } } kotlinDslPluginOptions { jvmTarget.set(gradleJvmTarget) } tasks.withType().configureEach { kotlinOptions { jvmTarget = gradleJvmTarget } }