diff --git a/src/test/java/com/techeer/fashioncloud/domain/lookbook/service/LookBookServiceTest.java b/src/test/java/com/techeer/fashioncloud/domain/lookbook/service/LookBookServiceTest.java
index ac22b8b..a1ce975 100644
--- a/src/test/java/com/techeer/fashioncloud/domain/lookbook/service/LookBookServiceTest.java
+++ b/src/test/java/com/techeer/fashioncloud/domain/lookbook/service/LookBookServiceTest.java
@@ -43,6 +43,8 @@ public class LookBookServiceTest {
     private PostRepository postRepository;
     private LookBook lookBook;
 
+    @Mock
+    private LookBookMapper lookBookMapper;
 
     @BeforeEach
     @Transactional