diff --git a/Source/LibationAvalonia/Views/MainWindow.Upgrade.cs b/Source/LibationAvalonia/Views/MainWindow.Upgrade.cs
index ce999588..ade9bfbc 100644
--- a/Source/LibationAvalonia/Views/MainWindow.Upgrade.cs
+++ b/Source/LibationAvalonia/Views/MainWindow.Upgrade.cs
@@ -1,4 +1,9 @@
-namespace LibationAvalonia.Views
+using Avalonia.Threading;
+using LibationAvalonia.Dialogs;
+using LibationUiBase;
+using System.Threading.Tasks;
+
+namespace LibationAvalonia.Views
 {
 	public partial class MainWindow
 	{