diff --git a/build/install-dotnet.ps1 b/build/install-dotnet.ps1
index 355cb882..6ef5b5f7 100644
--- a/build/install-dotnet.ps1
+++ b/build/install-dotnet.ps1
@@ -1,12 +1,8 @@
-# Installs .NET 6, .NET 7 and .NET 8 for CI/CD environment
+# Installs .NET 8 and .NET 9 for CI/CD environment
 # see: https://docs.microsoft.com/en-us/dotnet/core/tools/dotnet-install-script#examples
 
 [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12;
 
-&([scriptblock]::Create((Invoke-WebRequest -UseBasicParsing 'https://dot.net/v1/dotnet-install.ps1'))) -Channel 6.0
-
-&([scriptblock]::Create((Invoke-WebRequest -UseBasicParsing 'https://dot.net/v1/dotnet-install.ps1'))) -Channel 7.0
-
 &([scriptblock]::Create((Invoke-WebRequest -UseBasicParsing 'https://dot.net/v1/dotnet-install.ps1'))) -Channel 8.0
 
 &([scriptblock]::Create((Invoke-WebRequest -UseBasicParsing 'https://dot.net/v1/dotnet-install.ps1'))) -Channel 9.0
diff --git a/src/Microsoft.FeatureManagement.AspNetCore/Microsoft.FeatureManagement.AspNetCore.csproj b/src/Microsoft.FeatureManagement.AspNetCore/Microsoft.FeatureManagement.AspNetCore.csproj
index 50a0e702..53e57010 100644
--- a/src/Microsoft.FeatureManagement.AspNetCore/Microsoft.FeatureManagement.AspNetCore.csproj
+++ b/src/Microsoft.FeatureManagement.AspNetCore/Microsoft.FeatureManagement.AspNetCore.csproj
@@ -12,7 +12,7 @@
   <Import Project="..\..\build\Versioning.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net8.0;net9.0</TargetFrameworks>
+    <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
     <SignAssembly>true</SignAssembly>
     <DelaySign>false</DelaySign>
     <AssemblyOriginatorKeyFile>..\..\build\Microsoft.FeatureManagement.snk</AssemblyOriginatorKeyFile>
diff --git a/tests/Tests.FeatureManagement.AspNetCore/Tests.FeatureManagement.AspNetCore.csproj b/tests/Tests.FeatureManagement.AspNetCore/Tests.FeatureManagement.AspNetCore.csproj
index 8557c30c..e91b1be6 100644
--- a/tests/Tests.FeatureManagement.AspNetCore/Tests.FeatureManagement.AspNetCore.csproj
+++ b/tests/Tests.FeatureManagement.AspNetCore/Tests.FeatureManagement.AspNetCore.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net8.0;net9.0</TargetFrameworks>
+    <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
     <IsPackable>false</IsPackable>
     <LangVersion>8.0</LangVersion>
     <SignAssembly>True</SignAssembly>
@@ -20,13 +20,6 @@
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
-    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="6.0.26" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="6.0.0" />
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
-  </ItemGroup>
-
   <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
     <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="8.0.1" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
diff --git a/tests/Tests.FeatureManagement/Tests.FeatureManagement.csproj b/tests/Tests.FeatureManagement/Tests.FeatureManagement.csproj
index 3eee5035..4a915a4f 100644
--- a/tests/Tests.FeatureManagement/Tests.FeatureManagement.csproj
+++ b/tests/Tests.FeatureManagement/Tests.FeatureManagement.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net48;net6.0;net8.0;net9.0</TargetFrameworks>
+    <TargetFrameworks>net48;net8.0;net9.0</TargetFrameworks>
     <IsPackable>false</IsPackable>
     <LangVersion>8.0</LangVersion>
     <SignAssembly>True</SignAssembly>
@@ -20,13 +20,6 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.32" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
   </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
-    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="6.0.26" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="6.0.0" />
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
-  </ItemGroup>
     
   <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="8.0.0" />