diff --git a/eng/Versions.props b/eng/Versions.props
index b62cfbb5..ef1b7304 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -6,20 +6,20 @@
     <VersionPrefix>8.0.0</VersionPrefix>
     <PreReleaseVersionLabel>beta</PreReleaseVersionLabel>
     <!-- Opt-in repo features -->
-    <UsingToolNetFrameworkReferenceAssemblies>true</UsingToolNetFrameworkReferenceAssemblies>
     <UsingToolSymbolUploader>true</UsingToolSymbolUploader>
-    <MicrosoftBuildVersion>16.7.0</MicrosoftBuildVersion>
-    <MicrosoftBuildTasksCore>16.7.0</MicrosoftBuildTasksCore>
+    <MicrosoftBuildVersion>17.3.2</MicrosoftBuildVersion>
+    <MicrosoftBuildTasksCore>17.3.2</MicrosoftBuildTasksCore>
+
+    <!-- TODO: Remove after https://github.com/dotnet/arcade/pull/13178 is consumed. -->
+    <MicrosoftNETTestSdkVersion>17.5.0</MicrosoftNETTestSdkVersion>
+
     <MicrosoftTeamFoundationServerExtendedClientVersion>19.210.0-preview</MicrosoftTeamFoundationServerExtendedClientVersion>
-    <MicrosoftDotNetPlatformAbstractionsVersion>3.1.6</MicrosoftDotNetPlatformAbstractionsVersion>
     <NuGetVersioningVersion>5.7.0</NuGetVersioningVersion>
     <NuGetPackagingVersion>5.7.0</NuGetPackagingVersion>
     <SystemCommandLineVersion>2.0.0-beta4.22272.1</SystemCommandLineVersion>
     <SystemCommandLineNamingConventionBinderVersion>2.0.0-beta4.22272.1</SystemCommandLineNamingConventionBinderVersion>
     <SystemCommandLineRenderingVersion>0.4.0-alpha.22272.1</SystemCommandLineRenderingVersion>
-    <SystemReflectionMetadataVersion>1.8.1</SystemReflectionMetadataVersion>
-    <SystemValueTupleVersion>4.5.0</SystemValueTupleVersion>
-    <SystemTextJsonVersion>4.7.2</SystemTextJsonVersion>
+    <SystemTextJsonVersion>7.0.2</SystemTextJsonVersion>
     <XunitCombinatorialVersion>1.5.25</XunitCombinatorialVersion>
     <!-- libgit2 used for integration tests -->
     <LibGit2SharpVersion>0.27.0-preview-0119</LibGit2SharpVersion>
diff --git a/src/Directory.Build.targets b/src/Directory.Build.targets
index 8f9ad215..e12bc5d9 100644
--- a/src/Directory.Build.targets
+++ b/src/Directory.Build.targets
@@ -3,10 +3,15 @@
 <Project>
   <Import Project="Sdk.targets" Sdk="Microsoft.DotNet.Arcade.Sdk" />
 
+  <ItemGroup Condition="'$(IsTestProject)' == 'true'">
+    <!-- Upgrade the NETStandard.Library transitive xunit dependency to avoid transitive 1.x NS dependencies. -->
+    <PackageReference Include="NETStandard.Library" Version="2.0.3" Condition="'$(TargetFrameworkIdentifier)' != '.NETStandard'" />
+  </ItemGroup>
+
   <ItemGroup>
     <NuspecProperty Include="DesktopTfm=net472"/>
     <NuspecProperty Include="CoreTfm=$(NetCurrent)" Condition="'$(DotNetBuildFromSource)' == 'true'"/>
-    <NuspecProperty Include="CoreTfm=netcoreapp3.1" Condition="'$(DotNetBuildFromSource)' != 'true'"/>
+    <NuspecProperty Include="CoreTfm=$(NetMinimum)" Condition="'$(DotNetBuildFromSource)' != 'true'"/>
   </ItemGroup>
 
   <!-- 
diff --git a/src/Microsoft.Build.StandardCI/Microsoft.Build.StandardCI.csproj b/src/Microsoft.Build.StandardCI/Microsoft.Build.StandardCI.csproj
index f116b94b..469bde9c 100644
--- a/src/Microsoft.Build.StandardCI/Microsoft.Build.StandardCI.csproj
+++ b/src/Microsoft.Build.StandardCI/Microsoft.Build.StandardCI.csproj
@@ -2,7 +2,7 @@
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the License.txt file in the project root for more information. -->
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netcoreapp3.1;$(NetCurrent)</TargetFrameworks>
+    <TargetFrameworks>net472;$(NetMinimum);$(NetCurrent)</TargetFrameworks>
     <AutoGenerateAssemblyVersion>true</AutoGenerateAssemblyVersion>
     <ExcludeFromSourceBuild>true</ExcludeFromSourceBuild>
     <SuppressFinalPackageVersion>true</SuppressFinalPackageVersion>
diff --git a/src/Microsoft.Build.Tasks.Git.UnitTests/Microsoft.Build.Tasks.Git.UnitTests.csproj b/src/Microsoft.Build.Tasks.Git.UnitTests/Microsoft.Build.Tasks.Git.UnitTests.csproj
index b712e630..8fccc83a 100644
--- a/src/Microsoft.Build.Tasks.Git.UnitTests/Microsoft.Build.Tasks.Git.UnitTests.csproj
+++ b/src/Microsoft.Build.Tasks.Git.UnitTests/Microsoft.Build.Tasks.Git.UnitTests.csproj
@@ -1,14 +1,12 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the License.txt file in the project root for more information. -->
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
+
   <PropertyGroup>
     <TargetFrameworks>net472;$(NetCurrent)</TargetFrameworks>
   </PropertyGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\Microsoft.Build.Tasks.Git\Microsoft.Build.Tasks.Git.csproj" />
     <ProjectReference Include="..\TestUtilities\TestUtilities.csproj" />
   </ItemGroup>
-  <ItemGroup>
-    <PackageReference Include="System.ValueTuple" Version="$(SystemValueTupleVersion)" Condition="'$(TargetFrameworkIdentifier)' != '.NETFramework'" />
-  </ItemGroup>
+
 </Project>
diff --git a/src/Microsoft.Build.Tasks.Git/Microsoft.Build.Tasks.Git.csproj b/src/Microsoft.Build.Tasks.Git/Microsoft.Build.Tasks.Git.csproj
index 90d2dcfc..5336efb1 100644
--- a/src/Microsoft.Build.Tasks.Git/Microsoft.Build.Tasks.Git.csproj
+++ b/src/Microsoft.Build.Tasks.Git/Microsoft.Build.Tasks.Git.csproj
@@ -2,7 +2,7 @@
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the License.txt file in the project root for more information. -->
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netcoreapp3.1;$(NetCurrent)</TargetFrameworks>
+    <TargetFrameworks>net472;$(NetMinimum);$(NetCurrent)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(DotNetBuildFromSource)' == 'true' ">$(NetCurrent)</TargetFrameworks>
     <AutoGenerateAssemblyVersion>true</AutoGenerateAssemblyVersion>
 
diff --git a/src/SourceLink.AzureDevOpsServer.Git/Microsoft.SourceLink.AzureDevOpsServer.Git.csproj b/src/SourceLink.AzureDevOpsServer.Git/Microsoft.SourceLink.AzureDevOpsServer.Git.csproj
index 8bb934b2..36758147 100644
--- a/src/SourceLink.AzureDevOpsServer.Git/Microsoft.SourceLink.AzureDevOpsServer.Git.csproj
+++ b/src/SourceLink.AzureDevOpsServer.Git/Microsoft.SourceLink.AzureDevOpsServer.Git.csproj
@@ -2,7 +2,7 @@
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the License.txt file in the project root for more information. -->
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netcoreapp3.1;$(NetCurrent)</TargetFrameworks>
+    <TargetFrameworks>net472;$(NetMinimum);$(NetCurrent)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(DotNetBuildFromSource)' == 'true' ">$(NetCurrent)</TargetFrameworks>
     <AutoGenerateAssemblyVersion>true</AutoGenerateAssemblyVersion>
 
diff --git a/src/SourceLink.AzureRepos.Git/Microsoft.SourceLink.AzureRepos.Git.csproj b/src/SourceLink.AzureRepos.Git/Microsoft.SourceLink.AzureRepos.Git.csproj
index b943b9b8..827dbc30 100644
--- a/src/SourceLink.AzureRepos.Git/Microsoft.SourceLink.AzureRepos.Git.csproj
+++ b/src/SourceLink.AzureRepos.Git/Microsoft.SourceLink.AzureRepos.Git.csproj
@@ -2,7 +2,7 @@
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the License.txt file in the project root for more information. -->
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netcoreapp3.1;$(NetCurrent)</TargetFrameworks>
+    <TargetFrameworks>net472;$(NetMinimum);$(NetCurrent)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(DotNetBuildFromSource)' == 'true' ">$(NetCurrent)</TargetFrameworks>
     <AutoGenerateAssemblyVersion>true</AutoGenerateAssemblyVersion>
 
diff --git a/src/SourceLink.Bitbucket.Git/Microsoft.SourceLink.Bitbucket.Git.csproj b/src/SourceLink.Bitbucket.Git/Microsoft.SourceLink.Bitbucket.Git.csproj
index 12e66df7..dc825042 100644
--- a/src/SourceLink.Bitbucket.Git/Microsoft.SourceLink.Bitbucket.Git.csproj
+++ b/src/SourceLink.Bitbucket.Git/Microsoft.SourceLink.Bitbucket.Git.csproj
@@ -2,7 +2,7 @@
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the License.txt file in the project root for more information. -->
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netcoreapp3.1;$(NetCurrent)</TargetFrameworks>
+    <TargetFrameworks>net472;$(NetMinimum);$(NetCurrent)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(DotNetBuildFromSource)' == 'true' ">$(NetCurrent)</TargetFrameworks>
     <AutoGenerateAssemblyVersion>true</AutoGenerateAssemblyVersion>
 
diff --git a/src/SourceLink.Common/Microsoft.SourceLink.Common.csproj b/src/SourceLink.Common/Microsoft.SourceLink.Common.csproj
index 759d4aad..7315d7f2 100644
--- a/src/SourceLink.Common/Microsoft.SourceLink.Common.csproj
+++ b/src/SourceLink.Common/Microsoft.SourceLink.Common.csproj
@@ -2,7 +2,7 @@
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the License.txt file in the project root for more information. -->
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netcoreapp3.1;$(NetCurrent)</TargetFrameworks>
+    <TargetFrameworks>net472;$(NetMinimum);$(NetCurrent)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(DotNetBuildFromSource)' == 'true' ">$(NetCurrent)</TargetFrameworks>
     <AutoGenerateAssemblyVersion>true</AutoGenerateAssemblyVersion>
 
diff --git a/src/SourceLink.GitHub/Microsoft.SourceLink.GitHub.csproj b/src/SourceLink.GitHub/Microsoft.SourceLink.GitHub.csproj
index ffc434d7..69356568 100644
--- a/src/SourceLink.GitHub/Microsoft.SourceLink.GitHub.csproj
+++ b/src/SourceLink.GitHub/Microsoft.SourceLink.GitHub.csproj
@@ -2,7 +2,7 @@
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the License.txt file in the project root for more information. -->
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netcoreapp3.1;$(NetCurrent)</TargetFrameworks>
+    <TargetFrameworks>net472;$(NetMinimum);$(NetCurrent)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(DotNetBuildFromSource)' == 'true' ">$(NetCurrent)</TargetFrameworks>
     <AutoGenerateAssemblyVersion>true</AutoGenerateAssemblyVersion>
 
diff --git a/src/SourceLink.GitLab/Microsoft.SourceLink.GitLab.csproj b/src/SourceLink.GitLab/Microsoft.SourceLink.GitLab.csproj
index bd2eacbc..e9b487f2 100644
--- a/src/SourceLink.GitLab/Microsoft.SourceLink.GitLab.csproj
+++ b/src/SourceLink.GitLab/Microsoft.SourceLink.GitLab.csproj
@@ -2,7 +2,7 @@
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the License.txt file in the project root for more information. -->
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netcoreapp3.1;$(NetCurrent)</TargetFrameworks>
+    <TargetFrameworks>net472;$(NetMinimum);$(NetCurrent)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(DotNetBuildFromSource)' == 'true' ">$(NetCurrent)</TargetFrameworks>
     <AutoGenerateAssemblyVersion>true</AutoGenerateAssemblyVersion>
 
diff --git a/src/SourceLink.GitWeb/Microsoft.SourceLink.GitWeb.csproj b/src/SourceLink.GitWeb/Microsoft.SourceLink.GitWeb.csproj
index 53200604..37e23f35 100644
--- a/src/SourceLink.GitWeb/Microsoft.SourceLink.GitWeb.csproj
+++ b/src/SourceLink.GitWeb/Microsoft.SourceLink.GitWeb.csproj
@@ -2,7 +2,7 @@
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the License.txt file in the project root for more information. -->
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netcoreapp3.1;$(NetCurrent)</TargetFrameworks>
+    <TargetFrameworks>net472;$(NetMinimum);$(NetCurrent)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(DotNetBuildFromSource)' == 'true' ">$(NetCurrent)</TargetFrameworks>
     <AutoGenerateAssemblyVersion>true</AutoGenerateAssemblyVersion>
 
diff --git a/src/SourceLink.Gitea/Microsoft.SourceLink.Gitea.csproj b/src/SourceLink.Gitea/Microsoft.SourceLink.Gitea.csproj
index cecf90ee..8c4dcea4 100644
--- a/src/SourceLink.Gitea/Microsoft.SourceLink.Gitea.csproj
+++ b/src/SourceLink.Gitea/Microsoft.SourceLink.Gitea.csproj
@@ -2,7 +2,7 @@
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the License.txt file in the project root for more information. -->
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netcoreapp3.1;$(NetCurrent)</TargetFrameworks>
+    <TargetFrameworks>net472;$(NetMinimum);$(NetCurrent)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(DotNetBuildFromSource)' == 'true' ">$(NetCurrent)</TargetFrameworks>
     <AutoGenerateAssemblyVersion>true</AutoGenerateAssemblyVersion>
 
diff --git a/src/SourceLink.Gitee/Microsoft.SourceLink.Gitee.csproj b/src/SourceLink.Gitee/Microsoft.SourceLink.Gitee.csproj
index dbf6ca11..86a98b2a 100644
--- a/src/SourceLink.Gitee/Microsoft.SourceLink.Gitee.csproj
+++ b/src/SourceLink.Gitee/Microsoft.SourceLink.Gitee.csproj
@@ -2,7 +2,7 @@
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the License.txt file in the project root for more information. -->
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;netcoreapp3.1;$(NetCurrent)</TargetFrameworks>
+    <TargetFrameworks>net472;$(NetMinimum);$(NetCurrent)</TargetFrameworks>
     <TargetFrameworks Condition=" '$(DotNetBuildFromSource)' == 'true' ">$(NetCurrent)</TargetFrameworks>
     <AutoGenerateAssemblyVersion>true</AutoGenerateAssemblyVersion>
 
diff --git a/src/TestUtilities/TestUtilities.csproj b/src/TestUtilities/TestUtilities.csproj
index 6196a790..ff309789 100644
--- a/src/TestUtilities/TestUtilities.csproj
+++ b/src/TestUtilities/TestUtilities.csproj
@@ -5,7 +5,9 @@
     <TargetFrameworks>net472;$(NetCurrent)</TargetFrameworks>
     <IsShipping>false</IsShipping>
     <ExcludeFromSourceBuild>true</ExcludeFromSourceBuild>
+    <IsTestProject>false</IsTestProject>
   </PropertyGroup>
+
   <ItemGroup>
     <PackageReference Include="NuGet.Versioning" Version="$(NuGetVersioningVersion)" />
     <PackageReference Include="Microsoft.Build" Version="$(MicrosoftBuildVersion)" />
@@ -13,6 +15,8 @@
     <PackageReference Include="xunit.core" Version="$(XunitVersion)" />
     <PackageReference Include="xunit.assert" Version="$(XunitVersion)" />
     <PackageReference Include="xunit.Combinatorial" version="$(XunitCombinatorialVersion)" />
+    <!-- Upgrade the NETStandard.Library transitive xunit dependency to avoid transitive 1.x NS dependencies. -->
+    <PackageReference Include="NETStandard.Library" Version="2.0.3" Condition="'$(TargetFrameworkIdentifier)' != '.NETStandard'" />
   </ItemGroup>
 
   <PropertyGroup>
diff --git a/src/dotnet-sourcelink/dotnet-sourcelink.csproj b/src/dotnet-sourcelink/dotnet-sourcelink.csproj
index f2a6e7a0..7d150b07 100644
--- a/src/dotnet-sourcelink/dotnet-sourcelink.csproj
+++ b/src/dotnet-sourcelink/dotnet-sourcelink.csproj
@@ -11,12 +11,12 @@
     <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
     <PackAsToolShimRuntimeIdentifiers>win-x64;win-x86;osx-x64</PackAsToolShimRuntimeIdentifiers>
   </PropertyGroup>
+
   <ItemGroup>
     <PackageReference Include="System.CommandLine" Version="$(SystemCommandLineVersion)" />
     <PackageReference Include="System.CommandLine.NamingConventionBinder" Version="$(SystemCommandLineNamingConventionBinderVersion)" />
     <PackageReference Include="System.CommandLine.Rendering" Version="$(SystemCommandLineRenderingVersion)" />
-    <PackageReference Include="System.Reflection.Metadata" Version="$(SystemReflectionMetadataVersion)" />
-    <PackageReference Include="System.ValueTuple" Version="$(SystemValueTupleVersion)" />
   </ItemGroup>
+
   <Import Project="..\SourceLink.Tools\Microsoft.SourceLink.Tools.projitems" Label="Shared" />
 </Project>