diff --git a/tests/common/bakery_chain/cake.rs b/tests/common/bakery_chain/cake.rs
index 29e2335a..3630d29a 100644
--- a/tests/common/bakery_chain/cake.rs
+++ b/tests/common/bakery_chain/cake.rs
@@ -56,7 +56,7 @@ impl ColumnTrait for Column {
             Self::Price => ColumnType::Decimal(Some((19, 4))).def(),
             Self::BakeryId => ColumnType::Integer.def().null(),
             Self::GlutenFree => ColumnType::Boolean.def(),
-            Self::Serial => ColumnType::Binary(Some(16)).def(),
+            Self::Serial => ColumnType::Uuid.def(),
         }
     }
 }