diff --git a/Tests/Tests.csproj b/Tests/Tests.csproj
index ed6b7ee4..b7f65523 100644
--- a/Tests/Tests.csproj
+++ b/Tests/Tests.csproj
@@ -1,50 +1,50 @@
-<Project Sdk="Microsoft.NET.Sdk">
-  <PropertyGroup>
-    <TargetFramework>net472</TargetFramework>
-    <OutputType>Library</OutputType>
-    <AssemblyName>ICSharpCode.CodeConverter.Tests</AssemblyName>
-    <RootNamespace>ICSharpCode.CodeConverter.Tests</RootNamespace>
-    <DisableMSBuildAssemblyCopyCheck>true</DisableMSBuildAssemblyCopyCheck>
-    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
-    <GenerateBindingRedirectsOutputType>true</GenerateBindingRedirectsOutputType>
-  </PropertyGroup>
-  <ItemGroup>
-    <PackageReference Include="Microsoft.IO.Redist" Version="6.0.1" />
-    <PackageReference Include="Moq" Version="4.18.3" />
-    <PackageReference Include="System.Collections.Immutable" Version="8.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="xunit" Version="2.6.6" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-    <PackageReference Include="coverlet.collector" Version="6.0.0">
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-      <PrivateAssets>all</PrivateAssets>
-    </PackageReference>
-  </ItemGroup>
-  <ItemGroup>
-    <Service Include="{508349B6-6B84-4DF5-91F0-309BEEBAD82D}" />
-    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="..\CodeConverter\Common\DefaultReferences.cs" Link="DefaultReferences.cs" />
-    <Compile Remove="TestData\**" />
-    <EmbeddedResource Remove="TestData\**" />
-    <None Include="TestData\**\*.*" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\CommandLine\CodeConv.NetFramework\CodeConv.NetFramework.csproj" />
-  </ItemGroup>
-  <ItemGroup Label="ReSharper test runner requirements - test against latest Visual Studio version">
-    <PackageReference Include="Microsoft.CodeAnalysis.Features" Version="4.1.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.1.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="4.1.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.VisualBasic.Workspaces" Version="4.1.0" />
-    <PackageReference Include="Microsoft.Build" Version="17.4.0" />
-    <PackageReference Include="Microsoft.Build.Tasks.Core" Version="17.4.0" />
-  </ItemGroup>
-  <ItemGroup>
-    <Reference Include="System.Web" />
-  </ItemGroup>
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net472</TargetFramework>
+    <OutputType>Library</OutputType>
+    <AssemblyName>ICSharpCode.CodeConverter.Tests</AssemblyName>
+    <RootNamespace>ICSharpCode.CodeConverter.Tests</RootNamespace>
+    <DisableMSBuildAssemblyCopyCheck>true</DisableMSBuildAssemblyCopyCheck>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <GenerateBindingRedirectsOutputType>true</GenerateBindingRedirectsOutputType>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.IO.Redist" Version="6.1.0" />
+    <PackageReference Include="Moq" Version="4.18.3" />
+    <PackageReference Include="System.Collections.Immutable" Version="9.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="xunit" Version="2.6.6" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="6.0.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+  <ItemGroup>
+    <Service Include="{508349B6-6B84-4DF5-91F0-309BEEBAD82D}" />
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="..\CodeConverter\Common\DefaultReferences.cs" Link="DefaultReferences.cs" />
+    <Compile Remove="TestData\**" />
+    <EmbeddedResource Remove="TestData\**" />
+    <None Include="TestData\**\*.*" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\CommandLine\CodeConv.NetFramework\CodeConv.NetFramework.csproj" />
+  </ItemGroup>
+  <ItemGroup Label="ReSharper test runner requirements - test against latest Visual Studio version">
+    <PackageReference Include="Microsoft.CodeAnalysis.Features" Version="4.1.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.1.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="4.1.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.VisualBasic.Workspaces" Version="4.1.0" />
+    <PackageReference Include="Microsoft.Build" Version="17.4.0" />
+    <PackageReference Include="Microsoft.Build.Tasks.Core" Version="17.14.7" />
+  </ItemGroup>
+  <ItemGroup>
+    <Reference Include="System.Web" />
+  </ItemGroup>
 </Project>
\ No newline at end of file