diff --git a/src/main/java/jpabook/jpashop/domain/Member.java b/src/main/java/jpabook/jpashop/domain/Member.java
index 7bf6c68..70e71d3 100644
--- a/src/main/java/jpabook/jpashop/domain/Member.java
+++ b/src/main/java/jpabook/jpashop/domain/Member.java
@@ -4,6 +4,7 @@
 import lombok.Getter;
 import lombok.Setter;
 
+import java.math.BigInteger;
 import java.util.ArrayList;
 import java.util.List;