diff --git a/hibernate-project/src/main/java/com/humanbooster/model/Ad.java b/hibernate-project/src/main/java/com/humanbooster/model/Ad.java
index 548a973..b7d42c2 100644
--- a/hibernate-project/src/main/java/com/humanbooster/model/Ad.java
+++ b/hibernate-project/src/main/java/com/humanbooster/model/Ad.java
@@ -2,7 +2,9 @@ package com.humanbooster.model;
 
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
+import jakarta.validation.constraints.Email;
 
+import java.math.BigDecimal;
 import java.time.LocalDate;
 
 @Entity
@@ -12,14 +14,15 @@ public class Ad extends Publication {
     private LocalDate expirationDate;
 
     @Column(nullable = false)
+    @Email
     private String contactEmail;
 
-    private int price;
+    private BigDecimal price;
 
     public Ad() {
     }
 
-    public Ad(String title, String content, LocalDate publishDate, LocalDate expirationDate, String contactEmail, int price) {
+    public Ad(String title, String content, LocalDate publishDate, LocalDate expirationDate, String contactEmail, BigDecimal price) {
         super(title, content, publishDate);
         this.expirationDate = expirationDate;
         this.contactEmail = contactEmail;
@@ -42,11 +45,11 @@ public class Ad extends Publication {
         this.contactEmail = contactEmail;
     }
 
-    public int getPrice() {
+    public BigDecimal getPrice() {
         return price;
     }
 
-    public void setPrice(int price) {
+    public void setPrice(BigDecimal price) {
         this.price = price;
     }
 }