diff --git a/src/common/msi_to_msix_upgrade_lib/msi_to_msix_upgrade_lib.vcxproj b/src/common/msi_to_msix_upgrade_lib/msi_to_msix_upgrade_lib.vcxproj
index baa4a66427..25b610f629 100644
--- a/src/common/msi_to_msix_upgrade_lib/msi_to_msix_upgrade_lib.vcxproj
+++ b/src/common/msi_to_msix_upgrade_lib/msi_to_msix_upgrade_lib.vcxproj
@@ -87,7 +87,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
       <PrecompiledHeader>Use</PrecompiledHeader>
-      <WarningLevel>Level4</WarningLevel>
+      <WarningLevel>Level3</WarningLevel>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
@@ -129,7 +129,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
       <PrecompiledHeader>Use</PrecompiledHeader>
-      <WarningLevel>Level4</WarningLevel>
+      <WarningLevel>Level3</WarningLevel>
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
@@ -189,4 +189,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>