diff --git a/build.gradle.kts b/build.gradle.kts
index b284fda..7a20b18 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -14,6 +14,11 @@ plugins {
     id("maven-publish")
 }
 
+java {
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
+}
+
 dependencies {
 //    api(Kotlin.stdlib.jdk8)