diff --git a/FileDbCache/WinUI/FileDbCache.WinUI.csproj b/FileDbCache/WinUI/FileDbCache.WinUI.csproj
index 2e9010ab..64c29a9d 100644
--- a/FileDbCache/WinUI/FileDbCache.WinUI.csproj
+++ b/FileDbCache/WinUI/FileDbCache.WinUI.csproj
@@ -28,7 +28,7 @@
 
     <ItemGroup>
         <PackageReference Include="FileDb.Standard" Version="7.4.4" />
-        <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" />
     </ItemGroup>
 
diff --git a/MBTiles/WinUI/MBTiles.WinUI.csproj b/MBTiles/WinUI/MBTiles.WinUI.csproj
index 0d25814b..852fa8fa 100644
--- a/MBTiles/WinUI/MBTiles.WinUI.csproj
+++ b/MBTiles/WinUI/MBTiles.WinUI.csproj
@@ -27,7 +27,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <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="System.Data.SQLite.Core" Version="1.0.118" />
     </ItemGroup>
diff --git a/MapControl/WinUI/MapControl.WinUI.csproj b/MapControl/WinUI/MapControl.WinUI.csproj
index cdfc531e..935a1b2c 100644
--- a/MapControl/WinUI/MapControl.WinUI.csproj
+++ b/MapControl/WinUI/MapControl.WinUI.csproj
@@ -27,7 +27,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <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" />
     </ItemGroup>
 </Project>
diff --git a/MapProjections/WinUI/MapProjections.WinUI.csproj b/MapProjections/WinUI/MapProjections.WinUI.csproj
index 5a9fcdbe..19923426 100644
--- a/MapProjections/WinUI/MapProjections.WinUI.csproj
+++ b/MapProjections/WinUI/MapProjections.WinUI.csproj
@@ -27,7 +27,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <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="ProjNET4GeoAPI" Version="1.4.1" />
     </ItemGroup>
diff --git a/MapUiTools/WinUI/MapUiTools.WinUI.csproj b/MapUiTools/WinUI/MapUiTools.WinUI.csproj
index 81905a6f..d8dc9d54 100644
--- a/MapUiTools/WinUI/MapUiTools.WinUI.csproj
+++ b/MapUiTools/WinUI/MapUiTools.WinUI.csproj
@@ -25,7 +25,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <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" />
     </ItemGroup>
 
diff --git a/SQLiteCache/WinUI/SQLiteCache.WinUI.csproj b/SQLiteCache/WinUI/SQLiteCache.WinUI.csproj
index 1fbe572d..21afc96b 100644
--- a/SQLiteCache/WinUI/SQLiteCache.WinUI.csproj
+++ b/SQLiteCache/WinUI/SQLiteCache.WinUI.csproj
@@ -27,7 +27,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <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="System.Data.SQLite.Core" Version="1.0.118" />
     </ItemGroup>
diff --git a/SampleApps/WinUiApp/WinUiApp.csproj b/SampleApps/WinUiApp/WinUiApp.csproj
index 541b04b1..ca99fca1 100644
--- a/SampleApps/WinUiApp/WinUiApp.csproj
+++ b/SampleApps/WinUiApp/WinUiApp.csproj
@@ -36,7 +36,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <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" />
         <Manifest Include="$(ApplicationManifest)" />
     </ItemGroup>