diff --git a/NatTypeTester.WinUI/NatTypeTester.WinUI.csproj b/NatTypeTester.WinUI/NatTypeTester.WinUI.csproj
index 4a022b6dc9..69dedc6786 100644
--- a/NatTypeTester.WinUI/NatTypeTester.WinUI.csproj
+++ b/NatTypeTester.WinUI/NatTypeTester.WinUI.csproj
@@ -21,7 +21,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
-    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.4.231115000" />
+    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.4.231219000" />
     <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.22621.2428" />
     <PackageReference Include="ReactiveMarbles.ObservableEvents.SourceGenerator" Version="1.3.1" PrivateAssets="all" />
     <PackageReference Include="ReactiveUI.WinUI" Version="19.5.39" />