diff --git a/build.gradle.kts b/build.gradle.kts
index 60b5de79b69ea194e1dc06408940951e27f489b2..944f19b205db84b7dcb79c35111ce30afbc82bba 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -59,9 +59,10 @@ dependencies {
 
 }
 
-
-
-
+java {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+}
 
 tasks.test {
     useJUnitPlatform()