diff --git a/main/src/main/java/org/sopt/makers/crew/main/external/playground/entity/member_block/MemberBlock.java b/main/src/main/java/org/sopt/makers/crew/main/external/playground/entity/member_block/MemberBlock.java
index aa4f439f..d7a1b793 100644
--- a/main/src/main/java/org/sopt/makers/crew/main/external/playground/entity/member_block/MemberBlock.java
+++ b/main/src/main/java/org/sopt/makers/crew/main/external/playground/entity/member_block/MemberBlock.java
@@ -12,26 +12,34 @@
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import org.hibernate.annotations.Immutable;
 
 @Entity
 @Table(name = "member_block")
 @Getter
+@Immutable
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class MemberBlock {
 
 	@Id
 	@GeneratedValue(strategy = GenerationType.IDENTITY)
 	private Long id;
+
 	@Column(name = "created_at")
 	private LocalDateTime createdAt;
+
 	@Column(name = "updated_at")
 	private LocalDateTime updatedAt;
+
 	@NotNull
 	@Column(name = "is_blocked")
 	private Boolean isBlocked = true;
+
+	@NotNull
 	@Column(name = "blocked_member_id")
-	private Long blockedId;
-	@Column(name = "blocker_id")
-	private Long blockerId;
+	private Long blockedMember;
 
-}
+	@NotNull
+	@Column(name = "blocker_id")
+	private Long blocker;
+}
\ No newline at end of file