diff --git a/test/CustomIInspectable/CustomIInspectable.csproj b/test/CustomIInspectable/CustomIInspectable.csproj
index d3988a9d..442a4c44 100644
--- a/test/CustomIInspectable/CustomIInspectable.csproj
+++ b/test/CustomIInspectable/CustomIInspectable.csproj
@@ -17,7 +17,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Windows.WinmdGenerator" GeneratePathProperty="true" Version="0.63.31-preview" />
-    <PackageReference Include="Microsoft.Windows.SDK.CPP" GeneratePathProperty="true" Version="10.0.22621.3233"/>
+    <PackageReference Include="Microsoft.Windows.SDK.CPP" GeneratePathProperty="true" Version="10.0.26100.7705"/>
     <PackageReference Include="Microsoft.Windows.SDK.Win32Metadata" GeneratePathProperty="true" Version="63.0.31-preview"/>
   </ItemGroup>
   <PropertyGroup>
diff --git a/test/CustomIInspectable/Directory.Packages.props b/test/CustomIInspectable/Directory.Packages.props
index 07811bb8..153e71e9 100644
--- a/test/CustomIInspectable/Directory.Packages.props
+++ b/test/CustomIInspectable/Directory.Packages.props
@@ -2,7 +2,7 @@
 <Project>
   <Import Project="$([MSBuild]::GetPathOfFileAbove('Directory.Packages.props', '$(MSBuildThisFileDirectory)\..'))" />
   <ItemGroup>
-    <PackageVersion Update="Microsoft.Windows.SDK.cpp" Version="10.0.22621.3233" />
+    <PackageVersion Update="Microsoft.Windows.SDK.cpp" Version="10.0.26100.7705" />
     <PackageVersion Update="Microsoft.Windows.SDK.cpp.arm64" Version="10.0.22621.3233" />
     <PackageVersion Update="Microsoft.Windows.SDK.cpp.x64" Version="10.0.22621.3233" />
     <PackageVersion Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.22621.3233" />