diff --git a/Toolkit.Avalonia/ContentDialogHandler.cs b/Toolkit.Avalonia/ContentDialogHandler.cs
index f720d25..7a8cbfc 100644
--- a/Toolkit.Avalonia/ContentDialogHandler.cs
+++ b/Toolkit.Avalonia/ContentDialogHandler.cs
@@ -19,7 +19,7 @@ public class ContentDialogHandler :
                 dialog.PrimaryButtonClick -= HandlePrimaryButtonClick;
                 if (dialog.DataContext is object content)
                 {
-                    if (content is IPrimaryConfirmation primaryConfirmation)
+                    if (content is IAsyncPrimaryConfirmation primaryConfirmation)
                     {
                         Deferral deferral = args.GetDeferral();
                         if (!await primaryConfirmation.ConfirmPrimary())
@@ -39,7 +39,7 @@ public class ContentDialogHandler :
                 dialog.SecondaryButtonClick -= HandleSecondaryButtonClick;
                 if (dialog.DataContext is object content)
                 {
-                    if (content is ISecondaryConfirmation secondaryConfirmation)
+                    if (content is IAsyncSecondaryConfirmation secondaryConfirmation)
                     {
                         Deferral deferral = args.GetDeferral();
                         if (!await secondaryConfirmation.ConfirmSecondary())
@@ -63,7 +63,7 @@ public class ContentDialogHandler :
                     if (dialog.DataContext is object content)
                     {
                         bool cancelled = false;
-                        if (content is IConfirmation confirmation)
+                        if (content is IAsyncConfirmation confirmation)
                         {
                             Deferral deferral = args.GetDeferral();
                             if (!await confirmation.Confirm())
diff --git a/Toolkit.Avalonia/FrameHandler.cs b/Toolkit.Avalonia/FrameHandler.cs
index 96958cd..702e3df 100644
--- a/Toolkit.Avalonia/FrameHandler.cs
+++ b/Toolkit.Avalonia/FrameHandler.cs
@@ -60,7 +60,7 @@ public class FrameHandler(ITransientNavigationStore<Frame> navigationStore) :
 
                     if (sender.DataContext is object content)
                     {
-                        if (content is IConfirmation confirmation &&
+                        if (content is IAsyncConfirmation confirmation &&
                             !await confirmation.Confirm())
                         {
                             args.Cancel = true;
diff --git a/Toolkit.Avalonia/TaskDialogHandler.cs b/Toolkit.Avalonia/TaskDialogHandler.cs
index 660393a..b7cf53e 100644
--- a/Toolkit.Avalonia/TaskDialogHandler.cs
+++ b/Toolkit.Avalonia/TaskDialogHandler.cs
@@ -26,7 +26,7 @@ public class TaskDialogHandler(ITopLevelProvider topLevelProvider) :
                         if (args.Result is TaskDialogResult result)
                         {
                             if (result is TaskDialogResult.OK && content is 
-                                IPrimaryConfirmation primaryConfirmation)
+                                IAsyncPrimaryConfirmation primaryConfirmation)
                             {
                                 Deferral deferral = args.GetDeferral();
                                 if (!await primaryConfirmation.ConfirmPrimary())
diff --git a/Toolkit.Foundation/AsyncHandlerInitialization.cs b/Toolkit.Foundation/AsyncHandlerInitialization.cs
index 45da2be..0163a19 100644
--- a/Toolkit.Foundation/AsyncHandlerInitialization.cs
+++ b/Toolkit.Foundation/AsyncHandlerInitialization.cs
@@ -7,15 +7,38 @@ public class AsyncHandlerInitialization<TMessage, TResponse, THandler>(IServiceP
     IInitialization where THandler : class, IAsyncHandler<TMessage, TResponse>
         where TMessage : class
 {
-    public void Initialize() => StrongReferenceMessenger.Default.Register<IServiceProvider, AsyncResponseEventArgs<TMessage, TResponse>>(provider,
-         (provider, args) => args.Reply(provider.GetRequiredService<THandler>().Handle(args.Message, args.CancellationToken)));
-                        args.Reply(handler.Handle(args.Message, args.CancellationToken);
+    public void Initialize()
+    {
+        if (!StrongReferenceMessenger.Default.IsRegistered<ResponseEventArgs<TMessage, TResponse>>(provider))
+        {
+            StrongReferenceMessenger.Default.Register<IServiceProvider, AsyncResponseEventArgs<TMessage, TResponse>>(provider,
+                (provider, args) =>
+                {
+                    foreach (IAsyncHandler<TMessage, TResponse> handler in provider.GetServices<IAsyncHandler<TMessage, TResponse>>())
+                    {
+                        args.Reply(handler.Handle(args.Message, args.CancellationToken));
+                    }
+                });
+        }
+    }
 }
 
 public class AsyncHandlerInitialization<TMessage, THandler>(IServiceProvider provider) :
     IInitialization where THandler : class, IAsyncHandler<TMessage>
         where TMessage : class
 {
-    public void Initialize() => StrongReferenceMessenger.Default.Register<IServiceProvider, AsyncResponseEventArgs<TMessage, Unit>>(provider,
-         (provider, args) => provider.GetRequiredService<THandler>().Handle(args.Message, args.CancellationToken));
-}
\ No newline at end of file
+    public void Initialize()
+    {
+        if (!StrongReferenceMessenger.Default.IsRegistered<TMessage>(provider))
+        {
+            StrongReferenceMessenger.Default.Register<IServiceProvider, AsyncResponseEventArgs<TMessage, Unit>>(provider,
+                (provider, args) =>
+                {
+                    foreach (IAsyncHandler<TMessage> handler in provider.GetServices<IAsyncHandler<TMessage>>())
+                    {
+                        handler.Handle(args.Message, args.CancellationToken);
+                    }
+                });
+        }
+    }
+}
diff --git a/Toolkit.Foundation/AsyncHandlerKeyedInitialization.cs b/Toolkit.Foundation/AsyncHandlerKeyedInitialization.cs
new file mode 100644
index 0000000..0233722
--- /dev/null
+++ b/Toolkit.Foundation/AsyncHandlerKeyedInitialization.cs
@@ -0,0 +1,44 @@
+using CommunityToolkit.Mvvm.Messaging;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Toolkit.Foundation;
+
+public class AsyncHandlerKeyedInitialization<TMessage, THandler>(string key, IServiceProvider provider) :
+    IInitialization where THandler : class, IAsyncHandler<TMessage>
+        where TMessage : class
+{
+    public void Initialize()
+    {
+        if (!StrongReferenceMessenger.Default.IsRegistered<TMessage, string>(provider, key))
+        {
+            StrongReferenceMessenger.Default.Register<IServiceProvider, TMessage, string>(provider, key,
+                (provider, args) =>
+                {
+                    foreach (IAsyncHandler<TMessage> handler in provider.GetKeyedServices<IAsyncHandler<TMessage>>(key))
+                    {
+                        handler.Handle(args);
+                    }
+                });
+        }
+    }
+}
+
+public class AsyncHandlerKeyedInitialization<TMessage, TResponse, THandler>(string key, IServiceProvider provider) :
+    IInitialization where THandler : class, IAsyncHandler<TMessage, TResponse>
+        where TMessage : class
+{
+    public void Initialize()
+    {
+        if (!StrongReferenceMessenger.Default.IsRegistered<ResponseEventArgs<TMessage, TResponse>, string>(provider, key))
+        {
+            StrongReferenceMessenger.Default.Register<IServiceProvider, ResponseEventArgs<TMessage, TResponse>, string>(provider, key,
+                (provider, args) =>
+                {
+                    foreach (IAsyncHandler<TMessage, TResponse> handler in provider.GetKeyedServices<IAsyncHandler<TMessage, TResponse>>(key))
+                    {
+                        handler.Handle(args.Message);
+                    }
+                });
+        }
+    }
+}
\ No newline at end of file
diff --git a/Toolkit.Foundation/Create.cs b/Toolkit.Foundation/Create.cs
index 0973a5d..805c72e 100644
--- a/Toolkit.Foundation/Create.cs
+++ b/Toolkit.Foundation/Create.cs
@@ -2,9 +2,9 @@
 
 public record Create
 {
-    public static CreateEventArgs<TSender> As<TSender>(TSender sender, params object[] parameters) =>
-        new(sender, parameters);
+    public static CreateEventArgs<TSender> As<TSender>(TSender sender) =>
+        new(sender);
 
     public static CreateEventArgs<TSender> As<TSender>(params object[] parameters) where TSender : new() =>
-        new(new TSender(), parameters);
+        new(new TSender());
 }
\ No newline at end of file
diff --git a/Toolkit.Foundation/CreateEventArgs.cs b/Toolkit.Foundation/CreateEventArgs.cs
index 4778dc5..3550caf 100644
--- a/Toolkit.Foundation/CreateEventArgs.cs
+++ b/Toolkit.Foundation/CreateEventArgs.cs
@@ -1,4 +1,3 @@
 namespace Toolkit.Foundation;
 
-public record CreateEventArgs<TSender>(TSender? Sender = default,
-    params object[] Parameters);
\ No newline at end of file
+public record CreateEventArgs<TSender>(TSender? Sender = default);
\ No newline at end of file
diff --git a/Toolkit.Foundation/HandlerInitialization.cs b/Toolkit.Foundation/HandlerInitialization.cs
index 3648eec..639e9b3 100644
--- a/Toolkit.Foundation/HandlerInitialization.cs
+++ b/Toolkit.Foundation/HandlerInitialization.cs
@@ -7,22 +7,38 @@ public class HandlerInitialization<TMessage, TResponse, THandler>(IServiceProvid
     IInitialization where THandler : class, IHandler<TMessage, TResponse>
         where TMessage : class
 {
-    public void Initialize() => StrongReferenceMessenger.Default.Register<IServiceProvider, ResponseEventArgs<TMessage, TResponse>>(provider,
-            (provider, args) => args.Reply(provider.GetRequiredService<THandler>().Handle(args.Message)));
+    public void Initialize()
+    {
+        if (!StrongReferenceMessenger.Default.IsRegistered<ResponseEventArgs<TMessage, TResponse>>(provider))
+        {
+            StrongReferenceMessenger.Default.Register<IServiceProvider, ResponseEventArgs<TMessage, TResponse>>(provider,
+                (provider, args) =>
+                {
+                    foreach (IHandler<TMessage, TResponse> handler in provider.GetServices<IHandler<TMessage, TResponse>>())
+                    {
+                        handler.Handle(args.Message);
+                    }
+                });
+        }
+    }
 }
 
 public class HandlerInitialization<TMessage, THandler>(IServiceProvider provider) :
     IInitialization where THandler : class, IHandler<TMessage>
         where TMessage : class
 {
-    public void Initialize() => StrongReferenceMessenger.Default.Register<IServiceProvider, TMessage>(provider,
-        (provider, args) => provider.GetRequiredService<THandler>().Handle(args));
+    public void Initialize()
+    {
+        if (!StrongReferenceMessenger.Default.IsRegistered<TMessage>(provider))
+        {
+            StrongReferenceMessenger.Default.Register<IServiceProvider, TMessage>(provider,
+                (provider, args) =>
+                {
+                    foreach (IHandler<TMessage> handler in provider.GetServices<IHandler<TMessage>>())
+                    {
+                        handler.Handle(args);
+                    }
+                });
+        }
+    }
 }
-
-public class HandlerKeyedInitialization<TMessage, THandler>(string key, IServiceProvider provider) :
-    IInitialization where THandler : class, IHandler<TMessage>
-        where TMessage : class
-{
-    public void Initialize() => StrongReferenceMessenger.Default.Register<IServiceProvider, TMessage, string>(provider, key,
-        (provider, args) => provider.GetRequiredKeyedService<THandler>(key).Handle(args));
-}
\ No newline at end of file
diff --git a/Toolkit.Foundation/HandlerKeyedInitialization.cs b/Toolkit.Foundation/HandlerKeyedInitialization.cs
new file mode 100644
index 0000000..fd82f27
--- /dev/null
+++ b/Toolkit.Foundation/HandlerKeyedInitialization.cs
@@ -0,0 +1,44 @@
+using CommunityToolkit.Mvvm.Messaging;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Toolkit.Foundation;
+
+public class HandlerKeyedInitialization<TMessage, THandler>(string key, IServiceProvider provider) :
+    IInitialization where THandler : class, IHandler<TMessage>
+        where TMessage : class
+{
+    public void Initialize()
+    {
+        if (!StrongReferenceMessenger.Default.IsRegistered<TMessage, string>(provider, key))
+        {
+            StrongReferenceMessenger.Default.Register<IServiceProvider, TMessage, string>(provider, key,
+                (provider, args) =>
+                {
+                    foreach (IHandler<TMessage> handler in provider.GetKeyedServices<IHandler<TMessage>>(key))
+                    {
+                        handler.Handle(args);
+                    }
+                });
+        }
+    }
+}
+
+public class HandlerKeyedInitialization<TMessage, TResponse, THandler>(string key, IServiceProvider provider) :
+    IInitialization where THandler : class, IHandler<TMessage, TResponse>
+        where TMessage : class
+{
+    public void Initialize()
+    {
+        if (!StrongReferenceMessenger.Default.IsRegistered<ResponseEventArgs<TMessage, TResponse>, string>(provider, key))
+        {
+            StrongReferenceMessenger.Default.Register<IServiceProvider, ResponseEventArgs<TMessage, TResponse>, string>(provider, key,
+                (provider, args) =>
+                {
+                    foreach (IHandler<TMessage, TResponse> handler in provider.GetKeyedServices<IHandler<TMessage, TResponse>>(key))
+                    {
+                        handler.Handle(args.Message);
+                    }
+                });
+        }
+    }
+}
\ No newline at end of file
diff --git a/Toolkit.Foundation/IConfirmation.cs b/Toolkit.Foundation/IAsyncConfirmation.cs
similarity index 63%
rename from Toolkit.Foundation/IConfirmation.cs
rename to Toolkit.Foundation/IAsyncConfirmation.cs
index 60a227d..d309381 100644
--- a/Toolkit.Foundation/IConfirmation.cs
+++ b/Toolkit.Foundation/IAsyncConfirmation.cs
@@ -1,6 +1,6 @@
 namespace Toolkit.Foundation;
 
-public interface IConfirmation
+public interface IAsyncConfirmation
 {
     Task<bool> Confirm();
 }
\ No newline at end of file
diff --git a/Toolkit.Foundation/IPrimaryConfirmation.cs b/Toolkit.Foundation/IAsyncPrimaryConfirmation.cs
similarity index 61%
rename from Toolkit.Foundation/IPrimaryConfirmation.cs
rename to Toolkit.Foundation/IAsyncPrimaryConfirmation.cs
index 1e5726a..9176c2b 100644
--- a/Toolkit.Foundation/IPrimaryConfirmation.cs
+++ b/Toolkit.Foundation/IAsyncPrimaryConfirmation.cs
@@ -1,6 +1,6 @@
 namespace Toolkit.Foundation;
 
-public interface IPrimaryConfirmation
+public interface IAsyncPrimaryConfirmation
 {
     Task<bool> ConfirmPrimary();
 }
\ No newline at end of file
diff --git a/Toolkit.Foundation/ISecondaryConfirmation.cs b/Toolkit.Foundation/IAsyncSecondaryConfirmation.cs
similarity index 61%
rename from Toolkit.Foundation/ISecondaryConfirmation.cs
rename to Toolkit.Foundation/IAsyncSecondaryConfirmation.cs
index dd4d66b..64899d8 100644
--- a/Toolkit.Foundation/ISecondaryConfirmation.cs
+++ b/Toolkit.Foundation/IAsyncSecondaryConfirmation.cs
@@ -1,6 +1,6 @@
 namespace Toolkit.Foundation;
 
-public interface ISecondaryConfirmation
+public interface IAsyncSecondaryConfirmation
 {
     Task<bool> ConfirmSecondary();
 }
\ No newline at end of file
diff --git a/Toolkit.Foundation/IIndexed.cs b/Toolkit.Foundation/IIndexed.cs
deleted file mode 100644
index c25bb5c..0000000
--- a/Toolkit.Foundation/IIndexed.cs
+++ /dev/null
@@ -1,6 +0,0 @@
-namespace Toolkit.Foundation;
-
-public interface IIndexed
-{
-    public int Index { get; }
-}
\ No newline at end of file
diff --git a/Toolkit.Foundation/IServiceCollectionExtensions.cs b/Toolkit.Foundation/IServiceCollectionExtensions.cs
index 85bc99d..6fc9487 100644
--- a/Toolkit.Foundation/IServiceCollectionExtensions.cs
+++ b/Toolkit.Foundation/IServiceCollectionExtensions.cs
@@ -5,23 +5,51 @@ namespace Toolkit.Foundation;
 public static class IServiceCollectionExtensions
 {
     public static IServiceCollection AddAsyncHandler<TMessage, TResponse, THandler>(this IServiceCollection services,
-        ServiceLifetime lifetime = ServiceLifetime.Transient)
+        string key)
+        where THandler : class, IAsyncHandler<TMessage, TResponse>
+        where TMessage : class => AddAsyncHandler<TMessage, TResponse, THandler>(services, ServiceLifetime.Transient, key);
+
+    public static IServiceCollection AddAsyncHandler<TMessage, TResponse, THandler>(this IServiceCollection services,
+        ServiceLifetime lifetime = ServiceLifetime.Transient,
+        string? key = null)
         where THandler : class, IAsyncHandler<TMessage, TResponse>
         where TMessage : class
     {
-        services.Add(new ServiceDescriptor(typeof(THandler), typeof(THandler), lifetime));
-        services.AddInitialization<AsyncHandlerInitialization<TMessage, TResponse, THandler>>();
+        if (key is { Length: > 0 })
+        {
+            services.Add(new ServiceDescriptor(typeof(IAsyncHandler<TMessage, TResponse>), key, typeof(THandler), lifetime));
+            services.AddInitialization<AsyncHandlerKeyedInitialization<TMessage, TResponse, IAsyncHandler<TMessage, TResponse>>>(key);
+        }
+        else
+        {
+            services.Add(new ServiceDescriptor(typeof(IAsyncHandler<TMessage, TResponse>), typeof(THandler), lifetime));
+            services.AddInitialization<AsyncHandlerInitialization<TMessage, TResponse, IAsyncHandler<TMessage, TResponse>>>();
+        }
 
         return services;
     }
 
     public static IServiceCollection AddAsyncHandler<TMessage, THandler>(this IServiceCollection services,
-        ServiceLifetime lifetime = ServiceLifetime.Transient)
+        string key)
+        where THandler : class, IAsyncHandler<TMessage>
+        where TMessage : class => AddAsyncHandler<TMessage, THandler>(services, ServiceLifetime.Transient, key);
+
+    public static IServiceCollection AddAsyncHandler<TMessage, THandler>(this IServiceCollection services,
+        ServiceLifetime lifetime = ServiceLifetime.Transient,
+        string? key = null)
         where THandler : class, IAsyncHandler<TMessage>
         where TMessage : class
     {
-        services.Add(new ServiceDescriptor(typeof(THandler), typeof(THandler), lifetime));
-        services.AddInitialization<AsyncHandlerInitialization<TMessage, THandler>>();
+        if (key is { Length: > 0 })
+        {
+            services.Add(new ServiceDescriptor(typeof(IAsyncHandler<TMessage>), key, typeof(THandler), lifetime));
+            services.AddInitialization<AsyncHandlerInitialization<TMessage, IAsyncHandler<TMessage>>>(key);
+        }
+        else
+        {
+            services.Add(new ServiceDescriptor(typeof(IAsyncHandler<TMessage>), typeof(THandler), lifetime));
+            services.AddInitialization<AsyncHandlerKeyedInitialization<TMessage, IAsyncHandler<TMessage>>>();
+        }
 
         return services;
     }
@@ -35,7 +63,7 @@ public static class IServiceCollectionExtensions
     }
 
     public static IServiceCollection AddCache<TKey, TValue>(this IServiceCollection services)
-            where TKey : notnull
+        where TKey : notnull
         where TValue : notnull
     {
         services.AddScoped<ICache<TKey, TValue>, Cache<TKey, TValue>>();
@@ -61,12 +89,26 @@ public static class IServiceCollectionExtensions
     }
 
     public static IServiceCollection AddHandler<TMessage, TResponse, THandler>(this IServiceCollection services,
-        ServiceLifetime lifetime = ServiceLifetime.Transient)
+        string key)
+        where THandler : class, IHandler<TMessage, TResponse>
+        where TMessage : class => AddHandler<TMessage, TResponse, THandler>(services, ServiceLifetime.Transient, key);
+
+    public static IServiceCollection AddHandler<TMessage, TResponse, THandler>(this IServiceCollection services,
+        ServiceLifetime lifetime = ServiceLifetime.Transient,
+        string? key = null)
         where THandler : class, IHandler<TMessage, TResponse>
         where TMessage : class
     {
-        services.Add(new ServiceDescriptor(typeof(THandler), typeof(THandler), lifetime));
-        services.AddInitialization<HandlerInitialization<TMessage, TResponse, THandler>>();
+        if (key is { Length: > 0 })
+        {
+            services.Add(new ServiceDescriptor(typeof(IHandler<TMessage, TResponse>), key, typeof(THandler), lifetime));
+            services.AddInitialization<HandlerKeyedInitialization<TMessage, TResponse, IHandler<TMessage, TResponse>>>(key);
+        }
+        else
+        {
+            services.Add(new ServiceDescriptor(typeof(IHandler<TMessage, TResponse>), typeof(THandler), lifetime));
+            services.AddInitialization<HandlerInitialization<TMessage, TResponse, IHandler<TMessage, TResponse>>>();
+        }
 
         return services;
     }
@@ -84,13 +126,13 @@ public static class IServiceCollectionExtensions
     {
         if (key is { Length: > 0})
         {
-            services.Add(new ServiceDescriptor(typeof(THandler), key, typeof(THandler), lifetime));
-            services.AddInitialization<HandlerKeyedInitialization<TMessage, THandler>>(key);
+            services.Add(new ServiceDescriptor(typeof(IHandler<TMessage>), key, typeof(THandler), lifetime));
+            services.AddInitialization<HandlerKeyedInitialization<TMessage, IHandler<TMessage>>>(key);
         }
         else
         {
-            services.Add(new ServiceDescriptor(typeof(THandler), typeof(THandler), lifetime));
-            services.AddInitialization<HandlerInitialization<TMessage, THandler>>();
+            services.Add(new ServiceDescriptor(typeof(IHandler<TMessage>), typeof(THandler), lifetime));
+            services.AddInitialization<HandlerInitialization<TMessage, IHandler<TMessage>>>();
         }
 
         return services;
@@ -147,7 +189,7 @@ public static class IServiceCollectionExtensions
     public static IServiceCollection AddTemplate<TViewModel, TViewModelImplementation, TView>(this IServiceCollection services,
         object? key = null,
         ServiceLifetime serviceLifetime = ServiceLifetime.Transient,
-        params object[]? parameters)
+        params object?[]? parameters)
     {
         Type viewModelType = typeof(TViewModel);
         Type viewModelImplementationType = typeof(TViewModelImplementation);
@@ -190,7 +232,7 @@ public static class IServiceCollectionExtensions
         Action<TValue?, TConfiguration> writeDelegate,
         object? key = null,
         ServiceLifetime serviceLifetime = ServiceLifetime.Transient,
-        params object[]? parameters)
+        params object?[]? parameters)
     {
         parameters = [readDelegate, writeDelegate, .. parameters ?? Enumerable.Empty<object?>()];
         return AddTemplate<TViewModel, TViewModel, TView>(services, key, serviceLifetime, parameters);
@@ -201,7 +243,7 @@ public static class IServiceCollectionExtensions
         Action<TValue?, TConfiguration> writeDelegate,
         object? key = null,
         ServiceLifetime serviceLifetime = ServiceLifetime.Transient,
-        params object[]? parameters)
+        params object?[]? parameters)
     {
         parameters = [readDelegate, writeDelegate, .. parameters ?? Enumerable.Empty<object?>()];
         return AddTemplate<TViewModel, TViewModelImplementation, TView>(services, key, serviceLifetime, parameters);
diff --git a/Toolkit.UI.WinUI/Toolkit.UI.WinUI.csproj b/Toolkit.UI.WinUI/Toolkit.UI.WinUI.csproj
index ef332bb..f9d1c54 100644
--- a/Toolkit.UI.WinUI/Toolkit.UI.WinUI.csproj
+++ b/Toolkit.UI.WinUI/Toolkit.UI.WinUI.csproj
@@ -17,8 +17,8 @@
 
 	<ItemGroup>
 		<PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.1742" />
-		<PackageReference Include="Microsoft.WindowsAppSDK" Version="1.6.240923002" />
-		<PackageReference Include="WinUIEx" Version="2.4.2" />
+		<PackageReference Include="Microsoft.WindowsAppSDK" Version="1.6.241114003" />
+		<PackageReference Include="WinUIEx" Version="2.5.0" />
 		<PackageReference Include="Microsoft.Xaml.Behaviors.WinUI.Managed" Version="2.0.9" />
 	</ItemGroup>
 
diff --git a/Toolkit.WinUI/ContentDialogHandler.cs b/Toolkit.WinUI/ContentDialogHandler.cs
index fe80451..91e252f 100644
--- a/Toolkit.WinUI/ContentDialogHandler.cs
+++ b/Toolkit.WinUI/ContentDialogHandler.cs
@@ -30,7 +30,7 @@ public class ContentDialogHandler :
             dialog.PrimaryButtonClick -= HandlePrimaryButtonClick;
             if (dialog.DataContext is object content)
             {
-                if (content is IPrimaryConfirmation primaryConfirmation)
+                if (content is IAsyncPrimaryConfirmation primaryConfirmation)
                 {
                     ContentDialogButtonClickDeferral deferral = args.GetDeferral();
                     if (!await primaryConfirmation.ConfirmPrimary())
@@ -50,7 +50,7 @@ public class ContentDialogHandler :
             dialog.SecondaryButtonClick -= HandleSecondaryButtonClick;
             if (dialog.DataContext is object content)
             {
-                if (content is ISecondaryConfirmation secondaryConfirmation)
+                if (content is IAsyncSecondaryConfirmation secondaryConfirmation)
                 {
                     ContentDialogButtonClickDeferral deferral = args.GetDeferral();
                     if (!await secondaryConfirmation.ConfirmSecondary())
@@ -73,7 +73,7 @@ public class ContentDialogHandler :
                 dialog.Closing -= HandleClosing;
                 if (dialog.DataContext is object content)
                 {
-                    if (content is IConfirmation confirmation)
+                    if (content is IAsyncConfirmation confirmation)
                     {
                         ContentDialogClosingDeferral deferral = args.GetDeferral();
                         if (!await confirmation.Confirm())
diff --git a/Toolkit.WinUI/Toolkit.WinUI.csproj b/Toolkit.WinUI/Toolkit.WinUI.csproj
index 4844a14..57e7954 100644
--- a/Toolkit.WinUI/Toolkit.WinUI.csproj
+++ b/Toolkit.WinUI/Toolkit.WinUI.csproj
@@ -18,7 +18,7 @@
 	
 	<ItemGroup>
 		<PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.1742" />
-		<PackageReference Include="Microsoft.WindowsAppSDK" Version="1.6.240923002" />
+		<PackageReference Include="Microsoft.WindowsAppSDK" Version="1.6.241114003" />
 	</ItemGroup>
 	
 	<ItemGroup>