diff --git a/kotlin-native/performance/buildSrc/build.gradle.kts b/kotlin-native/performance/buildSrc/build.gradle.kts
index 4c2e596eb21..d2130cb424f 100644
--- a/kotlin-native/performance/buildSrc/build.gradle.kts
+++ b/kotlin-native/performance/buildSrc/build.gradle.kts
@@ -136,4 +136,7 @@ afterEvaluate {
             apiVersion = "1.4"
         }
     }
+    tasks.withType<JavaCompile> {
+        targetCompatibility = "1.8"
+    }
 }