diff --git a/libdrv/libdrv.vcxproj b/libdrv/libdrv.vcxproj
index 89d33c4..c2cb783 100644
--- a/libdrv/libdrv.vcxproj
+++ b/libdrv/libdrv.vcxproj
@@ -110,7 +110,7 @@
     <RootNamespace>libdrv</RootNamespace>
     <DriverType>KMDF</DriverType>
     <ProjectName>libdrv</ProjectName>
-    <WindowsTargetPlatformVersion>10.0.22621.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.19041.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
diff --git a/libdrv/object.h b/libdrv/object.h
index c20459a..04138d4 100644
Binary files a/libdrv/object.h and b/libdrv/object.h differ
diff --git a/test/test.vcxproj b/test/test.vcxproj
index b6c07b0..74b6a71 100644
--- a/test/test.vcxproj
+++ b/test/test.vcxproj
@@ -42,7 +42,7 @@
     <Configuration>Debug</Configuration>
     <Platform Condition="'$(Platform)' == ''">Win32</Platform>
     <RootNamespace>test</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.22621.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.19041.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">