diff --git a/backend/services/referral-service/src/infrastructure/index.ts b/backend/services/referral-service/src/infrastructure/index.ts
index cb51e191..d1ee8cd6 100644
--- a/backend/services/referral-service/src/infrastructure/index.ts
+++ b/backend/services/referral-service/src/infrastructure/index.ts
@@ -2,3 +2,4 @@ export * from './database';
 export * from './repositories';
 export * from './messaging';
 export * from './cache';
+export * from './kafka';
diff --git a/backend/services/referral-service/src/infrastructure/kafka/index.ts b/backend/services/referral-service/src/infrastructure/kafka/index.ts
new file mode 100644
index 00000000..be96c4c6
--- /dev/null
+++ b/backend/services/referral-service/src/infrastructure/kafka/index.ts
@@ -0,0 +1 @@
+export * from './event-ack.publisher';
diff --git a/backend/services/referral-service/src/modules/infrastructure.module.ts b/backend/services/referral-service/src/modules/infrastructure.module.ts
index 44f796f5..bfcb48bc 100644
--- a/backend/services/referral-service/src/modules/infrastructure.module.ts
+++ b/backend/services/referral-service/src/modules/infrastructure.module.ts
@@ -7,6 +7,7 @@ import {
   KafkaService,
   EventPublisherService,
   RedisService,
+  EventAckPublisher,
 } from '../infrastructure';
 import {
   REFERRAL_RELATIONSHIP_REPOSITORY,
@@ -21,6 +22,7 @@ import {
     KafkaService,
     RedisService,
     EventPublisherService,
+    EventAckPublisher,
     {
       provide: REFERRAL_RELATIONSHIP_REPOSITORY,
       useClass: ReferralRelationshipRepository,
@@ -35,6 +37,7 @@ import {
     KafkaService,
     RedisService,
     EventPublisherService,
+    EventAckPublisher,
     REFERRAL_RELATIONSHIP_REPOSITORY,
     TEAM_STATISTICS_REPOSITORY,
   ],