diff --git a/DTLib.Ben.Demystifier.csproj b/DTLib.Ben.Demystifier.csproj
index 53edb7b..2eedfc1 100644
--- a/DTLib.Ben.Demystifier.csproj
+++ b/DTLib.Ben.Demystifier.csproj
@@ -1,12 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
     <PropertyGroup>
         <!--package info-->
         <PackageId>DTLib.Ben.Demystifier</PackageId>
         <Version>1.0.0</Version>
         <Authors>Timerix</Authors>
+        <Description>netstandard2.0 fork of Ben.Demystifier</Description>
         <RepositoryType>GIT</RepositoryType>
-        <RepositoryUrl>https://github.com/Timerix22/DTLib</RepositoryUrl>
+        <RepositoryUrl>https://github.com/Timerix22/DTLib.Ben.Demystifier</RepositoryUrl>
         <Configuration>Release</Configuration>
         <PackageLicenseExpression>MIT</PackageLicenseExpression>
         <AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder>
@@ -14,13 +14,22 @@
         <TargetFrameworks>net6.0;netstandard2.0;net48</TargetFrameworks>
         <DebugType>embedded</DebugType>
         <!--language features-->
-        <Nullable>enable</Nullable>
         <LangVersion>10</LangVersion>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>disable</ImplicitUsings>
     </PropertyGroup>
 
+    <!--external dependencies-->
     <ItemGroup>
-        <PackageReference Include="System.Reflection.Metadata" Version="5.0.0" Condition="'$(TargetFramework)' != 'net6.0'"/>
-        <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" Condition="'$(TargetFramework)' != 'netstandard2.1'"/>
+        <PackageReference Include="System.Reflection.Metadata" Version="7.0.0" Condition="'$(TargetFramework)' != 'net6.0'" />
+        <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" Condition="'$(TargetFramework)' != 'netstandard2.1'" />
     </ItemGroup>
 
+    <!--copy pdb files from nuget packages to publish directory-->
+    <Target Name="IncludeSymbolFiles" AfterTargets="ResolveAssemblyReferences" Condition="@(ReferenceCopyLocalPaths) != ''">
+        <ItemGroup>
+            <ReferenceCopyLocalPaths Include="%(ReferenceCopyLocalPaths.RelativeDir)%(ReferenceCopyLocalPaths.Filename).pdb;                                %(ReferenceCopyLocalPaths.RelativeDir)%(ReferenceCopyLocalPaths.Filename).xml" />
+            <ReferenceCopyLocalPaths Remove="@(ReferenceCopyLocalPaths)" Condition="!Exists('%(FullPath)')"/>
+        </ItemGroup>
+    </Target>
 </Project>