diff --git a/scripts/build/build-msi-vs.py b/scripts/build/build-msi-vs.py
index 2a7fce015..e504958f6 100644
--- a/scripts/build/build-msi-vs.py
+++ b/scripts/build/build-msi-vs.py
@@ -27,7 +27,7 @@
 CERTFILE = "C:/certs/seafile.pfx"
 
 # Qt library directory
-QT_DIR = "C:/Qt/Qt5.15.1/5.15.1/msvc2019_64"
+QT_DIR = "C:/Qt/6.5.2/msvc2019_64"
 
 # Wix install directory
 WIX_BIN = "C:/wix/bin"
@@ -496,4 +496,3 @@ def main():
 
 if __name__ == "__main__":
     main()
-
diff --git a/seafile.vcxproj b/seafile.vcxproj
index 65b4ba938..307986fe3 100644
--- a/seafile.vcxproj
+++ b/seafile.vcxproj
@@ -22,7 +22,7 @@
     <VCProjectVersion>16.0</VCProjectVersion>
     <ProjectGuid>{D3B4BCBB-BF84-43DF-9753-A7A0A4288D13}</ProjectGuid>
     <RootNamespace>seafile</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.18362.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
@@ -277,4 +277,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file