diff --git a/lua.vcxproj b/lua.vcxproj
index c4fbd60..0a21360 100644
--- a/lua.vcxproj
+++ b/lua.vcxproj
@@ -29,7 +29,7 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>v145</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
@@ -42,7 +42,7 @@
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>v145</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
@@ -101,6 +101,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;LUA_BUILD_AS_DLL;_CRT_SECURE_NO_WARNINGS;_DEBUG;_WINDOWS;_USRDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -123,7 +124,7 @@ copy $(TargetPath) \EgtProg\DllD32</Command>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;LUA_BUILD_AS_DLL;_CRT_SECURE_NO_WARNINGS;_DEBUG;_WINDOWS;_USRDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <LanguageStandard_C>Default</LanguageStandard_C>
     </ClCompile>
     <Link>
@@ -152,6 +153,7 @@ copy $(TargetPath) \EgtProg\DllD64</Command>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -178,7 +180,7 @@ copy $(TargetPath) \EgtProg\Dll32</Command>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;LUA_BUILD_AS_DLL;_CRT_SECURE_NO_WARNINGS;NDEBUG;_WINDOWS;_USRDLL;LUA_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <OmitFramePointers>true</OmitFramePointers>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <LanguageStandard_C>Default</LanguageStandard_C>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>