diff --git a/RouteHelper/RouteHelper.vcxproj b/RouteHelper/RouteHelper.vcxproj
index 64a61463..b3c92748 100644
--- a/RouteHelper/RouteHelper.vcxproj
+++ b/RouteHelper/RouteHelper.vcxproj
@@ -61,7 +61,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <LanguageStandard_C>stdc17</LanguageStandard_C>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
@@ -79,7 +79,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <LanguageStandard_C>stdc17</LanguageStandard_C>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>