diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/CommonDateEntity.java b/src/main/java/com/kamco/cd/kamcoback/postgres/CommonDateEntity.java
index b10e54c0..195b182d 100644
--- a/src/main/java/com/kamco/cd/kamcoback/postgres/CommonDateEntity.java
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/CommonDateEntity.java
@@ -18,7 +18,7 @@ public class CommonDateEntity {
   private ZonedDateTime createdDate;
 
   @LastModifiedDate
-  @Column(name = "updated_dttm", nullable = false)
+  @Column(name = "updated_dttm", nullable = true)   //update_dttm 이 없는 테이블이 존재하기 때문에 true 로 선언함
   private ZonedDateTime modifiedDate;
 
   @PrePersist