diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 9e6616f..af348a0 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -17,8 +17,5 @@
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     
     <Version>3.0.0</Version>
-
-    <LibraryTargetFrameworks>net6.0;net5.0; netcoreapp3.1; netstandard2.0</LibraryTargetFrameworks>
-    <TestTargetFrameworks>net6.0;net5.0; netcoreapp3.1; netcoreapp2.1</TestTargetFrameworks>
   </PropertyGroup>
 </Project>
diff --git a/src/Graph.ArgumentValidator.csproj b/src/Graph.ArgumentValidator.csproj
index 5c46c3d..584cc85 100644
--- a/src/Graph.ArgumentValidator.csproj
+++ b/src/Graph.ArgumentValidator.csproj
@@ -2,7 +2,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(LibraryTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>net6.0;</TargetFrameworks>
+    <ExtendedTargetFrameworks>net6.0; netstandard2.0</ExtendedTargetFrameworks>
     <TargetFramework>net6.0</TargetFramework>
     <PackageTags>HotChocolate.Validator, HotChocolate, GraphQL</PackageTags>
     <PackageIcon>icon.png</PackageIcon>