diff --git a/csharp-oop-simplified2/Application/AccountApplicationService.cs b/csharp-oop-simplified2/Application/AccountApplicationService.cs
index 4b09838..3efda42 100644
--- a/csharp-oop-simplified2/Application/AccountApplicationService.cs
+++ b/csharp-oop-simplified2/Application/AccountApplicationService.cs
@@ -1,6 +1,6 @@
-using CsharpFp1.Domain;
+using CsharpOopSimplified2.Domain;
 
-namespace CsharpFp1.Application;
+namespace CsharpOopSimplified2.Application;
 
 public static class AccountApplicationService
 {
diff --git a/csharp-oop-simplified2/Domain/Account.cs b/csharp-oop-simplified2/Domain/Account.cs
index e17e2ab..5a3e671 100644
--- a/csharp-oop-simplified2/Domain/Account.cs
+++ b/csharp-oop-simplified2/Domain/Account.cs
@@ -1,4 +1,4 @@
-namespace CsharpFp1.Domain;
+namespace CsharpOopSimplified2.Domain;
 
 /// Domain entity / aggregate root representing a bank account
 public sealed class Account
diff --git a/csharp-oop-simplified2/Domain/IAccountRepository.cs b/csharp-oop-simplified2/Domain/IAccountRepository.cs
index a86cad5..3425b46 100644
--- a/csharp-oop-simplified2/Domain/IAccountRepository.cs
+++ b/csharp-oop-simplified2/Domain/IAccountRepository.cs
@@ -1,4 +1,4 @@
-namespace CsharpFp1.Domain;
+namespace CsharpOopSimplified2.Domain;
 
 /// Repository abstraction used to load and save accounts
 public interface IAccountRepository
diff --git a/csharp-oop-simplified2/Domain/InsufficientBalanceException.cs b/csharp-oop-simplified2/Domain/InsufficientBalanceException.cs
index 08333ad..30658fa 100644
--- a/csharp-oop-simplified2/Domain/InsufficientBalanceException.cs
+++ b/csharp-oop-simplified2/Domain/InsufficientBalanceException.cs
@@ -1,4 +1,4 @@
-namespace CsharpFp1.Domain;
+namespace CsharpOopSimplified2.Domain;
 
 /// Custom domain exception thrown when a withdrawal would cause the balance to go below zero
 public sealed class InsufficientBalanceException : InvalidOperationException
diff --git a/csharp-oop-simplified2/Infrastructure/InMemoryAccountRepository.cs b/csharp-oop-simplified2/Infrastructure/InMemoryAccountRepository.cs
index 0f1ce9b..cd73b80 100644
--- a/csharp-oop-simplified2/Infrastructure/InMemoryAccountRepository.cs
+++ b/csharp-oop-simplified2/Infrastructure/InMemoryAccountRepository.cs
@@ -1,6 +1,6 @@
-using CsharpFp1.Domain;
+using CsharpOopSimplified2.Domain;
 
-namespace CsharpFp1.Infrastructure;
+namespace CsharpOopSimplified2.Infrastructure;
 
 /// Simple in-memory repository for demonstration
 public class InMemoryAccountRepository : IAccountRepository
diff --git a/csharp-oop-simplified2/Program.cs b/csharp-oop-simplified2/Program.cs
index b3362d9..97cb1e5 100644
--- a/csharp-oop-simplified2/Program.cs
+++ b/csharp-oop-simplified2/Program.cs
@@ -1,6 +1,6 @@
-using CsharpFp1.Application;
-using CsharpFp1.Domain;
-using CsharpFp1.Infrastructure;
+using CsharpOopSimplified2.Application;
+using CsharpOopSimplified2.Domain;
+using CsharpOopSimplified2.Infrastructure;
 
 Console.WriteLine("[csharp-oop-simplified2] Starting withdraw money demo...");