diff --git a/backend/src/main/java/com/petshop/backend/entity/ActivityLog.java b/backend/src/main/java/com/petshop/backend/entity/ActivityLog.java
index 04dc79ec..b445b7c4 100644
--- a/backend/src/main/java/com/petshop/backend/entity/ActivityLog.java
+++ b/backend/src/main/java/com/petshop/backend/entity/ActivityLog.java
@@ -1,11 +1,13 @@
 package com.petshop.backend.entity;
 
 import jakarta.persistence.*;
+import org.hibernate.annotations.Immutable;
 
 import java.time.LocalDateTime;
 import java.util.Objects;
 
 @Entity
+@Immutable
 @Table(name = "activityLog")
 public class ActivityLog {