diff --git a/StockSeeker/models.py b/StockSeeker/models.py
index 290fc52..8ba1a6b 100644
--- a/StockSeeker/models.py
+++ b/StockSeeker/models.py
@@ -14,6 +14,7 @@ class Warehouse(models.Model):
     
 class Product(models.Model):
     name = models.CharField(null=False, max_length=30, blank=False)
+    reference = models.CharField(null=False, blank=False ,max_length=60, unique=True)
     description = models.CharField(default=None, null=True, blank=True, max_length=120)
     quantity = models.IntegerField(null=False, default=0, blank=False)
     creation_date = models.DateTimeField(auto_now_add=True)
diff --git a/StockSeeker/serializers.py b/StockSeeker/serializers.py
index 98378f2..d3bd7d5 100644
--- a/StockSeeker/serializers.py
+++ b/StockSeeker/serializers.py
@@ -48,7 +48,7 @@ class ProductSerializer(serializers.ModelSerializer):
     
     class Meta:
         model = Product
-        fields = ["id", "name", "description", "quantity", "creation_date", "modification_date", "user","stock_limit","alert_enabled","is_stock_low","image","warehouses",]
+        fields = ["id", "name", "description", "quantity", "creation_date", "modification_date", "user","stock_limit","alert_enabled","is_stock_low","image","warehouses","reference"]
 
     def create(self, validated_data):
         warehouses = validated_data.pop('warehouses', [])
@@ -83,6 +83,7 @@ class ProductSerializer(serializers.ModelSerializer):
 
             instance.name = validated_data.get("name", instance.name)
             instance.description = validated_data.get("description", instance.description)
+            instance.reference = validated_data.get("reference", instance.reference)
             instance.quantity = new_quantity
             instance.save()