diff --git a/src/main/java/cat/udl/eps/softarch/demo/domain/Pet.java b/src/main/java/cat/udl/eps/softarch/demo/domain/Pet.java
index 947c3887..9ae162cc 100644
--- a/src/main/java/cat/udl/eps/softarch/demo/domain/Pet.java
+++ b/src/main/java/cat/udl/eps/softarch/demo/domain/Pet.java
@@ -1,10 +1,19 @@
 package cat.udl.eps.softarch.demo.domain;
 
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.Id;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
 
+@EqualsAndHashCode(callSuper = true)
+@Entity
+@Data
 public class Pet extends UriEntity<Long> {
     @Id
+    @GeneratedValue
     Long id;
+
     String name;
     boolean isAdopted;
     String color;
@@ -13,9 +22,4 @@ public class Pet extends UriEntity<Long> {
     String age;
     String description;
     String breed;
-
-    @Override
-    public Long getId() {
-        return id;
-    }
 }