diff --git a/wolverine/a-frame-architecture/FinancialApi/ApplyFeeHandler.cs b/wolverine/a-frame-architecture/FinancialApi/ApplyFeeHandler.cs
index 47adfd2..95541bd 100644
--- a/wolverine/a-frame-architecture/FinancialApi/ApplyFeeHandler.cs
+++ b/wolverine/a-frame-architecture/FinancialApi/ApplyFeeHandler.cs
@@ -1,22 +1,28 @@
 using FinancialApi.Application;
 using FinancialApi.Infrastructure;
 using Microsoft.EntityFrameworkCore;
+using Wolverine.Attributes;
+using Wolverine.Persistence;
 
 namespace FinancialApi;
 
 public static class ApplyFeeHandler
 {
-    public static Task<Account?> LoadAsync(ApplyFeeCommand cmd, AccountDbContext db)
-        => db.Set<Account>().AsNoTracking()
-            .FirstOrDefaultAsync(x => x.Id == cmd.AccountId);
+    public static Task<Account?> LoadAsync(
+        ApplyFeeCommand cmd,
+        AccountDbContext db) => db.Set<Account>().AsNoTracking().SingleOrDefaultAsync(x => x.Id == cmd.AccountId);
 
-    public static (Account UpdatedAccount, FeeAppliedEvent Event) Handle(ApplyFeeCommand cmd, Account account)
+    [Transactional]
+    public static (Update<Account> UpdatedAccount, FeeAppliedEvent Event) Handle(
+        ApplyFeeCommand cmd,
+        Account account,
+        AccountDbContext db)
     {
         var updatedAccount = account.ApplyFee(cmd.Amount);
 
         var @event = new FeeAppliedEvent(account.Id, cmd.Amount);
 
-        return (updatedAccount, @event);
+        return (Storage.Update(updatedAccount), @event);
     }
 }