diff --git a/EgtNumKernel.rc b/EgtNumKernel.rc
index 217fd8f..66e1368 100644
Binary files a/EgtNumKernel.rc and b/EgtNumKernel.rc differ
diff --git a/EgtNumKernel.vcxproj b/EgtNumKernel.vcxproj
index ec18900..6d3f4a0 100644
--- a/EgtNumKernel.vcxproj
+++ b/EgtNumKernel.vcxproj
@@ -103,7 +103,7 @@
       <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;I_AM_ENK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <OpenMPSupport>false</OpenMPSupport>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -125,7 +125,7 @@ copy $(TargetPath) \EgtProg\DllD32</Command>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;I_AM_ENK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <OpenMPSupport>true</OpenMPSupport>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>-Wno-tautological-undefined-compare</AdditionalOptions>
     </ClCompile>
     <Link>
@@ -156,7 +156,7 @@ copy $(TargetPath) \EgtProg\DllD64</Command>
       <EnableFiberSafeOptimizations>true</EnableFiberSafeOptimizations>
       <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
       <OmitFramePointers>true</OmitFramePointers>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -188,7 +188,7 @@ copy $(TargetPath) \EgtProg\Dll32</Command>
       <EnableEnhancedInstructionSet>NotSet</EnableEnhancedInstructionSet>
       <EnableFiberSafeOptimizations>false</EnableFiberSafeOptimizations>
       <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>-Wno-tautological-undefined-compare</AdditionalOptions>
     </ClCompile>
     <Link>