diff --git a/DTLib.Ben.Demystifier.csproj b/DTLib.Ben.Demystifier.csproj
index 99f4812..6a0de4d 100644
--- a/DTLib.Ben.Demystifier.csproj
+++ b/DTLib.Ben.Demystifier.csproj
@@ -2,7 +2,7 @@
     <PropertyGroup>
         <!--package info-->
         <PackageId>DTLib.Ben.Demystifier</PackageId>
-        <Version>1.0.5</Version>
+        <Version>1.0.6</Version>
         <Authors>Timerix</Authors>
         <Description>netstandard2.0 fork of Ben.Demystifier</Description>
         <RepositoryType>GIT</RepositoryType>
@@ -15,15 +15,15 @@
         <TargetFrameworks>netstandard2.0;net6.0;net7.0;net8.0</TargetFrameworks>
         <DebugType>embedded</DebugType>
         <!--language features-->
-        <LangVersion>10</LangVersion>
+        <LangVersion>12</LangVersion>
         <Nullable>enable</Nullable>
         <ImplicitUsings>disable</ImplicitUsings>
     </PropertyGroup>
 
     <!--external dependencies-->
     <ItemGroup>
-        <PackageReference Include="System.Reflection.Metadata" Version="7.0.1" Condition="'$(TargetFramework)' != 'net6.0'" />
-        <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" Condition="'$(TargetFramework)' != 'netstandard2.1'" />
+        <PackageReference Include="System.Reflection.Metadata" Version="8.0.0" Condition="'$(TargetFramework)' == 'netstandard2.0'" />
+        <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" Condition="'$(TargetFramework)' == 'netstandard2.0'" />
     </ItemGroup>
 
     <!--copy pdb files from nuget packages to publish directory-->