diff --git a/api-test/backend/src/main/resources/application.properties b/api-test/backend/src/main/resources/application.properties
index 3dabf79e37..ab19c8c226 100644
--- a/api-test/backend/src/main/resources/application.properties
+++ b/api-test/backend/src/main/resources/application.properties
@@ -16,4 +16,6 @@ spring.flyway.baseline-version=0
 spring.flyway.encoding=UTF-8
 spring.flyway.validate-on-migrate=false
 #
-spring.main.allow-bean-definition-overriding=true
\ No newline at end of file
+spring.main.allow-bean-definition-overriding=true
+# kafka config
+spring.kafka.producer.acks=1