diff --git a/src/KubernetesClient.Classic/KubernetesClient.Classic.csproj b/src/KubernetesClient.Classic/KubernetesClient.Classic.csproj
index 79298eca..0c007311 100644
--- a/src/KubernetesClient.Classic/KubernetesClient.Classic.csproj
+++ b/src/KubernetesClient.Classic/KubernetesClient.Classic.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net48;netstandard2.1;net6.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net48;net6.0</TargetFrameworks>
     <RootNamespace>k8s</RootNamespace>
   </PropertyGroup>
 
@@ -14,7 +14,7 @@
     <PackageReference Include="YamlDotNet" Version="15.1.0" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'net48' or '$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'netstandard2.1'">
+  <ItemGroup Condition="'$(TargetFramework)' == 'net48' or '$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="System.Text.Json" Version="7.0.3" />
   </ItemGroup>