diff --git a/Password_manager/Password_manager.vcxproj b/Password_manager/Password_manager.vcxproj
index aeb7b6d..450e51b 100644
--- a/Password_manager/Password_manager.vcxproj
+++ b/Password_manager/Password_manager.vcxproj
@@ -105,6 +105,7 @@
       <PreprocessorDefinitions>_DEBUG;_CONSOLE%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <AdditionalIncludeDirectories>$(SolutionDir)dependences\openssl\lib\$(Configuration)\include;$(SolutionDir)Password_manager\include</AdditionalIncludeDirectories>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -122,6 +123,7 @@
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <AdditionalIncludeDirectories>$(SolutionDir)dependences\openssl\lib\$(Configuration)\include;$(SolutionDir)Password_manager\include</AdditionalIncludeDirectories>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>