diff --git a/api/src/main/java/hexagonal/api/ApiApplication.java b/api/src/main/java/hexagonal/api/ApiApplication.java
index a76b18f..8dd55cf 100644
--- a/api/src/main/java/hexagonal/api/ApiApplication.java
+++ b/api/src/main/java/hexagonal/api/ApiApplication.java
@@ -2,8 +2,12 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.domain.EntityScan;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
 
-@SpringBootApplication
+@SpringBootApplication(scanBasePackages = {"hexagonal.core", "hexagonal.api"})
+@EntityScan("hexagonal.core")
+@EnableJpaRepositories("hexagonal.core")
 public class ApiApplication {
 
     public static void main(String[] args) {
diff --git a/api/src/main/java/hexagonal/api/member/application/service/RegisterMemberService.java b/api/src/main/java/hexagonal/api/member/application/service/RegisterMemberService.java
index c17ec02..af6a555 100644
--- a/api/src/main/java/hexagonal/api/member/application/service/RegisterMemberService.java
+++ b/api/src/main/java/hexagonal/api/member/application/service/RegisterMemberService.java
@@ -6,9 +6,11 @@
 import hexagonal.api.member.application.port.out.SaveMemberPort;
 import hexagonal.core.domain.jpa.MemberJpaEntity;
 import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
 
 import javax.persistence.EntityNotFoundException;
 
+@Service
 @RequiredArgsConstructor
 public class RegisterMemberService implements RegisterMemberUseCase {
 
diff --git a/api/src/main/java/hexagonal/api/member/application/service/UpdateMemberService.java b/api/src/main/java/hexagonal/api/member/application/service/UpdateMemberService.java
index 720e065..91ad768 100644
--- a/api/src/main/java/hexagonal/api/member/application/service/UpdateMemberService.java
+++ b/api/src/main/java/hexagonal/api/member/application/service/UpdateMemberService.java
@@ -6,9 +6,11 @@
 import hexagonal.api.member.application.port.out.UpdateMemberPort;
 import hexagonal.core.domain.jpa.MemberJpaEntity;
 import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
 
 import javax.persistence.EntityNotFoundException;
 
+@Service
 @RequiredArgsConstructor
 public class UpdateMemberService implements UpdateMemberUseCase {
 
diff --git a/api/src/main/java/hexagonal/api/room/application/service/CreateRoomService.java b/api/src/main/java/hexagonal/api/room/application/service/CreateRoomService.java
index 525e58f..e246424 100644
--- a/api/src/main/java/hexagonal/api/room/application/service/CreateRoomService.java
+++ b/api/src/main/java/hexagonal/api/room/application/service/CreateRoomService.java
@@ -6,9 +6,11 @@
 import hexagonal.api.room.application.port.out.SaveRoomPort;
 import hexagonal.core.domain.jpa.RoomJpaEntity;
 import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
 
 import javax.persistence.EntityNotFoundException;
 
+@Service
 @RequiredArgsConstructor
 public class CreateRoomService implements CreateRoomUseCase {
 
diff --git a/core/src/main/java/hexagonal/core/repository/RoomRepository.java b/core/src/main/java/hexagonal/core/repository/RoomRepository.java
index c18a18f..537dfd1 100644
--- a/core/src/main/java/hexagonal/core/repository/RoomRepository.java
+++ b/core/src/main/java/hexagonal/core/repository/RoomRepository.java
@@ -2,11 +2,9 @@
 
 import hexagonal.core.domain.jpa.RoomJpaEntity;
 import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.stereotype.Repository;
 
 import java.util.Optional;
 
-@Repository
 public interface RoomRepository extends JpaRepository<RoomJpaEntity, Long> {
     Optional<RoomJpaEntity> findByCompanyId(Long companyId);
 }