diff --git a/internal/Calculator.TestPackage/Calculator.TestPackage.csproj b/internal/Calculator.TestPackage/Calculator.TestPackage.csproj
index 2a3a29d..8579128 100644
--- a/internal/Calculator.TestPackage/Calculator.TestPackage.csproj
+++ b/internal/Calculator.TestPackage/Calculator.TestPackage.csproj
@@ -123,7 +123,7 @@
             <AppxPackageTestDir>@(AppxBundleOutput->'%(RootDir)%(Directory)')</AppxPackageTestDir>
             <UniversalTestCustomMacros Condition="'$(Configuration)'=='Debug'">$(UniversalTestCustomMacros)AppxPackageVCLibsDependency=$(AppxPackageTestDir)Dependencies\$(PlatformTarget)\Microsoft.VCLibs.$(PlatformTarget).Debug.14.00.appx;</UniversalTestCustomMacros>
             <UniversalTestCustomMacros Condition="'$(Configuration)'=='Release'">$(UniversalTestCustomMacros)AppxPackageVCLibsDependency=$(AppxPackageTestDir)Dependencies\$(PlatformTarget)\Microsoft.VCLibs.$(PlatformTarget).14.00.appx;</UniversalTestCustomMacros>
-            <UniversalTestCustomMacros>$(UniversalTestCustomMacros)AppxPackageWinUIDependency=$(AppxPackageTestDir)Dependencies\$(PlatformTarget)\Microsoft.UI.Xaml.2.0.appx;</UniversalTestCustomMacros>
+            <UniversalTestCustomMacros>$(UniversalTestCustomMacros)AppxPackageWinUIDependency=$(AppxPackageTestDir)Dependencies\$(PlatformTarget)\Microsoft.UI.Xaml.2.1.appx;</UniversalTestCustomMacros>
             <UniversalTestCustomMacros>$(UniversalTestCustomMacros)AppxPackagePublicKeyFile=@(AppxPackagePublicKeyFile->'%(FullPath)');AppxBundleOutput=@(AppxBundleOutput->'%(FullPath)');</UniversalTestCustomMacros>
         </PropertyGroup>
     </Target>
diff --git a/src/Calculator/Calculator.vcxproj b/src/Calculator/Calculator.vcxproj
index 9a3bbeb..208344c 100644
--- a/src/Calculator/Calculator.vcxproj
+++ b/src/Calculator/Calculator.vcxproj
@@ -839,7 +839,7 @@
   </Target>
   <ImportGroup Label="ExtensionTargets">
     <Import Project="..\..\packages\Microsoft.WindowsCalculator.PGO.1.0.2\build\native\Microsoft.WindowsCalculator.PGO.targets" Condition="Exists('..\..\packages\Microsoft.WindowsCalculator.PGO.1.0.2\build\native\Microsoft.WindowsCalculator.PGO.targets')" />
-    <Import Project="..\..\packages\Microsoft.UI.Xaml.2.0.181018004\build\native\Microsoft.UI.Xaml.targets" Condition="Exists('..\..\packages\Microsoft.UI.Xaml.2.0.181018004\build\native\Microsoft.UI.Xaml.targets')" />
+    <Import Project="..\..\packages\Microsoft.UI.Xaml.2.1.190405004.2\build\native\Microsoft.UI.Xaml.targets" Condition="Exists('..\..\packages\Microsoft.UI.Xaml.2.1.190405004.2\build\native\Microsoft.UI.Xaml.targets')" />
   </ImportGroup>
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
@@ -847,6 +847,6 @@
     </PropertyGroup>
     <Error Condition="!Exists('..\..\packages\Microsoft.WindowsCalculator.PGO.1.0.2\build\native\Microsoft.WindowsCalculator.PGO.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Microsoft.WindowsCalculator.PGO.1.0.2\build\native\Microsoft.WindowsCalculator.PGO.props'))" />
     <Error Condition="!Exists('..\..\packages\Microsoft.WindowsCalculator.PGO.1.0.2\build\native\Microsoft.WindowsCalculator.PGO.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Microsoft.WindowsCalculator.PGO.1.0.2\build\native\Microsoft.WindowsCalculator.PGO.targets'))" />
-    <Error Condition="!Exists('..\..\packages\Microsoft.UI.Xaml.2.0.181018004\build\native\Microsoft.UI.Xaml.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Microsoft.UI.Xaml.2.0.181018004\build\native\Microsoft.UI.Xaml.targets'))" />
+    <Error Condition="!Exists('..\..\packages\Microsoft.UI.Xaml.2.1.190405004.2\build\native\Microsoft.UI.Xaml.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Microsoft.UI.Xaml.2.1.190405004.2\build\native\Microsoft.UI.Xaml.targets'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/src/Calculator/packages.config b/src/Calculator/packages.config
index 3716522..d41e98b 100644
--- a/src/Calculator/packages.config
+++ b/src/Calculator/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.UI.Xaml" version="2.0.181018004" targetFramework="native" />
+  <package id="Microsoft.UI.Xaml" version="2.1.190405004.2" targetFramework="native" />
   <package id="Microsoft.WindowsCalculator.PGO" version="1.0.2" targetFramework="native" />
 </packages>
\ No newline at end of file