diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 227c61421aa..d8307b47bd4 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -10,80 +10,80 @@
       <Sha>05b4fdac346e01716abda4c92fcf0b7880e73792</Sha>
       <SourceBuild RepoName="source-build-reference-packages" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
       <SourceBuild RepoName="roslyn" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.CommonLanguageServerProtocol.Framework" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CommonLanguageServerProtocol.Framework" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.ExternalAccess.Razor" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.ExternalAccess.Razor" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.ExternalAccess.RazorCompiler" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.ExternalAccess.RazorCompiler" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.ExternalAccess.OmniSharp.CSharp" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.ExternalAccess.OmniSharp.CSharp" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.Common" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.Common" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.CSharp" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.CSharp" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.CSharp.EditorFeatures" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.CSharp.EditorFeatures" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.CSharp.Features" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.CSharp.Features" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.EditorFeatures" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.EditorFeatures" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.EditorFeatures.Common" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.EditorFeatures.Common" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.EditorFeatures.Text" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.EditorFeatures.Text" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.EditorFeatures.Wpf" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.EditorFeatures.Wpf" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.Remote.ServiceHub" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.Remote.ServiceHub" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.VisualBasic.Workspaces" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.VisualBasic.Workspaces" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.VisualStudio.LanguageServices" Version="4.7.0-2.23227.6">
+    <Dependency Name="Microsoft.VisualStudio.LanguageServices" Version="4.7.0-2.23253.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>3fc97de0f151e67a0b8ee2840edb04b49fbc623f</Sha>
     </Dependency>
diff --git a/eng/Versions.props b/eng/Versions.props
index f1f970ff591..1921a38501e 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -56,25 +56,25 @@
     <MicrosoftNETCoreBrowserDebugHostTransportPackageVersion>6.0.2-servicing.22064.6</MicrosoftNETCoreBrowserDebugHostTransportPackageVersion>
     <MicrosoftNETCorePlatformsPackageVersion>6.0.1</MicrosoftNETCorePlatformsPackageVersion>
     <MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesPackageVersion>8.0.0-alpha.1.23214.4</MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesPackageVersion>
-    <MicrosoftNetCompilersToolsetPackageVersion>4.7.0-2.23227.6</MicrosoftNetCompilersToolsetPackageVersion>
-    <MicrosoftCommonLanguageServerProtocolFrameworkPackageVersion>4.7.0-2.23227.6</MicrosoftCommonLanguageServerProtocolFrameworkPackageVersion>
-    <MicrosoftCodeAnalysisExternalAccessRazorPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisExternalAccessRazorPackageVersion>
-    <MicrosoftCodeAnalysisExternalAccessRazorCompilerPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisExternalAccessRazorCompilerPackageVersion>
-    <MicrosoftCodeAnalysisExternalAccessOmniSharpCSharpPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisExternalAccessOmniSharpCSharpPackageVersion>
-    <MicrosoftCodeAnalysisCommonPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisCommonPackageVersion>
-    <MicrosoftCodeAnalysisCSharpPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisCSharpPackageVersion>
-    <MicrosoftCodeAnalysisCSharpEditorFeaturesPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisCSharpEditorFeaturesPackageVersion>
-    <MicrosoftCodeAnalysisCSharpFeaturesPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisCSharpFeaturesPackageVersion>
-    <MicrosoftCodeAnalysisCSharpWorkspacesPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisCSharpWorkspacesPackageVersion>
-    <MicrosoftCodeAnalysisEditorFeaturesPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisEditorFeaturesPackageVersion>
-    <MicrosoftCodeAnalysisEditorFeaturesCommonPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisEditorFeaturesCommonPackageVersion>
-    <MicrosoftCodeAnalysisEditorFeaturesTextPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisEditorFeaturesTextPackageVersion>
-    <MicrosoftCodeAnalysisEditorFeaturesWpfPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisEditorFeaturesWpfPackageVersion>
-    <MicrosoftCodeAnalysisRemoteServiceHubPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisRemoteServiceHubPackageVersion>
-    <MicrosoftCodeAnalysisVisualBasicWorkspacesPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisVisualBasicWorkspacesPackageVersion>
-    <MicrosoftCodeAnalysisWorkspacesCommonPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisWorkspacesCommonPackageVersion>
-    <MicrosoftCodeAnalysisWorkspacesMSBuildPackageVersion>4.7.0-2.23227.6</MicrosoftCodeAnalysisWorkspacesMSBuildPackageVersion>
-    <MicrosoftVisualStudioLanguageServicesPackageVersion>4.7.0-2.23227.6</MicrosoftVisualStudioLanguageServicesPackageVersion>
+    <MicrosoftNetCompilersToolsetPackageVersion>4.7.0-2.23253.2</MicrosoftNetCompilersToolsetPackageVersion>
+    <MicrosoftCommonLanguageServerProtocolFrameworkPackageVersion>4.7.0-2.23253.2</MicrosoftCommonLanguageServerProtocolFrameworkPackageVersion>
+    <MicrosoftCodeAnalysisExternalAccessRazorPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisExternalAccessRazorPackageVersion>
+    <MicrosoftCodeAnalysisExternalAccessRazorCompilerPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisExternalAccessRazorCompilerPackageVersion>
+    <MicrosoftCodeAnalysisExternalAccessOmniSharpCSharpPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisExternalAccessOmniSharpCSharpPackageVersion>
+    <MicrosoftCodeAnalysisCommonPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisCommonPackageVersion>
+    <MicrosoftCodeAnalysisCSharpPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisCSharpPackageVersion>
+    <MicrosoftCodeAnalysisCSharpEditorFeaturesPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisCSharpEditorFeaturesPackageVersion>
+    <MicrosoftCodeAnalysisCSharpFeaturesPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisCSharpFeaturesPackageVersion>
+    <MicrosoftCodeAnalysisCSharpWorkspacesPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisCSharpWorkspacesPackageVersion>
+    <MicrosoftCodeAnalysisEditorFeaturesPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisEditorFeaturesPackageVersion>
+    <MicrosoftCodeAnalysisEditorFeaturesCommonPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisEditorFeaturesCommonPackageVersion>
+    <MicrosoftCodeAnalysisEditorFeaturesTextPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisEditorFeaturesTextPackageVersion>
+    <MicrosoftCodeAnalysisEditorFeaturesWpfPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisEditorFeaturesWpfPackageVersion>
+    <MicrosoftCodeAnalysisRemoteServiceHubPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisRemoteServiceHubPackageVersion>
+    <MicrosoftCodeAnalysisVisualBasicWorkspacesPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisVisualBasicWorkspacesPackageVersion>
+    <MicrosoftCodeAnalysisWorkspacesCommonPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisWorkspacesCommonPackageVersion>
+    <MicrosoftCodeAnalysisWorkspacesMSBuildPackageVersion>4.7.0-2.23253.2</MicrosoftCodeAnalysisWorkspacesMSBuildPackageVersion>
+    <MicrosoftVisualStudioLanguageServicesPackageVersion>4.7.0-2.23253.2</MicrosoftVisualStudioLanguageServicesPackageVersion>
     <MicrosoftSourceLinkGitHubPackageVersion>8.0.0-beta.23218.3</MicrosoftSourceLinkGitHubPackageVersion>
     <MicrosoftDotNetXliffTasksPackageVersion>1.0.0-beta.23218.1</MicrosoftDotNetXliffTasksPackageVersion>
   </PropertyGroup>
@@ -92,9 +92,9 @@
     <Tooling_HtmlEditorPackageVersion>17.5.101-preview-0002</Tooling_HtmlEditorPackageVersion>
     <!-- Several packages share the MS.CA.Testing version -->
     <Tooling_MicrosoftCodeAnalysisTestingVersion>1.1.2-beta1.22512.1</Tooling_MicrosoftCodeAnalysisTestingVersion>
-    <MicrosoftVisualStudioShellPackagesVersion>17.5.33422.76</MicrosoftVisualStudioShellPackagesVersion>
-    <MicrosoftVisualStudioPackagesVersion>17.6.76-preview</MicrosoftVisualStudioPackagesVersion>
-    <VisualStudioLanguageServerProtocolVersion>17.6.15-preview</VisualStudioLanguageServerProtocolVersion>
+    <MicrosoftVisualStudioShellPackagesVersion>17.6.35829</MicrosoftVisualStudioShellPackagesVersion>
+    <MicrosoftVisualStudioPackagesVersion>17.6.252</MicrosoftVisualStudioPackagesVersion>
+    <VisualStudioLanguageServerProtocolVersion>17.6.22</VisualStudioLanguageServerProtocolVersion>
     <!-- dotnet/aspnetcore packages -->
     <MicrosoftExtensionsObjectPoolPackageVersion>6.0.0</MicrosoftExtensionsObjectPoolPackageVersion>
     <!-- dotnet/runtime packages -->
@@ -129,18 +129,18 @@
     <MicrosoftVisualStudioShell150PackageVersion>$(MicrosoftVisualStudioShellPackagesVersion)</MicrosoftVisualStudioShell150PackageVersion>
     <MicrosoftVisualStudioInteropPackageVersion>$(MicrosoftVisualStudioShellPackagesVersion)</MicrosoftVisualStudioInteropPackageVersion>
     <MicrosoftInternalVisualStudioInteropPackageVersion>$(MicrosoftVisualStudioShellPackagesVersion)</MicrosoftInternalVisualStudioInteropPackageVersion>
-    <MicrosoftVisualStudioRpcContractsPackageVersion>17.5.24</MicrosoftVisualStudioRpcContractsPackageVersion>
-    <MicrosoftVisualStudioTelemetryVersion>16.6.15</MicrosoftVisualStudioTelemetryVersion>
+    <MicrosoftVisualStudioRpcContractsPackageVersion>17.6.10-preview</MicrosoftVisualStudioRpcContractsPackageVersion>
+    <MicrosoftVisualStudioTelemetryVersion>17.6.44</MicrosoftVisualStudioTelemetryVersion>
     <MicrosoftVisualStudioTextDataPackageVersion>$(MicrosoftVisualStudioPackagesVersion)</MicrosoftVisualStudioTextDataPackageVersion>
     <MicrosoftVisualStudioTextImplementationPackageVersion>$(MicrosoftVisualStudioPackagesVersion)</MicrosoftVisualStudioTextImplementationPackageVersion>
     <MicrosoftVisualStudioTextLogicPackageVersion>$(MicrosoftVisualStudioPackagesVersion)</MicrosoftVisualStudioTextLogicPackageVersion>
     <!-- NOTE: Keep O#-Roslyn's Microsoft.VisualStudio.Threading version in sync with the version below:
     https://github.com/OmniSharp/omnisharp-roslyn/blob/d7555ebfb6c4d7c6811c58370322d3b092c0abf6/build/Packages.props#L65 -->
-    <MicrosoftVisualStudioThreadingPackageVersion>17.5.21</MicrosoftVisualStudioThreadingPackageVersion>
+    <MicrosoftVisualStudioThreadingPackageVersion>17.6.40</MicrosoftVisualStudioThreadingPackageVersion>
     <MicrosoftVisualStudioWebPackageVersion>16.10.0-preview-1-31008-014</MicrosoftVisualStudioWebPackageVersion>
     <!-- NOTE: Keep O#-Roslyn's Microsoft.VisualStudio.Validation version in sync with the version below:
     https://github.com/OmniSharp/omnisharp-roslyn/blob/d7555ebfb6c4d7c6811c58370322d3b092c0abf6/build/Packages.props#L66 -->
-    <MicrosoftVisualStudioValidationPackageVersion>17.0.71</MicrosoftVisualStudioValidationPackageVersion>
+    <MicrosoftVisualStudioValidationPackageVersion>17.6.11</MicrosoftVisualStudioValidationPackageVersion>
     <MicrosoftWebToolsLanguagesHtmlPackageVersion>$(Tooling_HtmlEditorPackageVersion)</MicrosoftWebToolsLanguagesHtmlPackageVersion>
     <MicrosoftWebToolsLanguagesLanguageServerServerPackageVersion>$(Tooling_HtmlEditorPackageVersion)</MicrosoftWebToolsLanguagesLanguageServerServerPackageVersion>
     <MicrosoftWebToolsLanguagesSharedPackageVersion>$(Tooling_HtmlEditorPackageVersion)</MicrosoftWebToolsLanguagesSharedPackageVersion>
@@ -149,13 +149,13 @@
     <MonoAddinsPackageVersion>1.3.8</MonoAddinsPackageVersion>
     <MonoDevelopSdkPackageVersion>1.0.15</MonoDevelopSdkPackageVersion>
     <MoqPackageVersion>4.16.0</MoqPackageVersion>
-    <NewtonsoftJsonPackageVersion>13.0.1</NewtonsoftJsonPackageVersion>
+    <NewtonsoftJsonPackageVersion>13.0.3</NewtonsoftJsonPackageVersion>
     <NerdbankStreamsPackageVersion>2.9.112</NerdbankStreamsPackageVersion>
     <NuGetSolutionRestoreManagerInteropVersion>4.8.0</NuGetSolutionRestoreManagerInteropVersion>
     <OmniSharpExtensionsLanguageServerPackageVersion>0.19.5</OmniSharpExtensionsLanguageServerPackageVersion>
     <OmniSharpExtensionsLanguageProtocolPackageVersion>$(OmniSharpExtensionsLanguageServerPackageVersion)</OmniSharpExtensionsLanguageProtocolPackageVersion>
     <OmniSharpMSBuildPackageVersion>1.39.1</OmniSharpMSBuildPackageVersion>
-    <StreamJsonRpcPackageVersion>2.14.24</StreamJsonRpcPackageVersion>
+    <StreamJsonRpcPackageVersion>2.15.26</StreamJsonRpcPackageVersion>
     <SystemRuntimeInteropServicesRuntimePackageVersion>4.3.0</SystemRuntimeInteropServicesRuntimePackageVersion>
     <Tooling_MicrosoftCodeAnalysisAnalyzersPackageVersion>3.3.4</Tooling_MicrosoftCodeAnalysisAnalyzersPackageVersion>
     <Tooling_MicrosoftCodeAnalysisBannedApiAnalyzersPackageVersion>$(Tooling_MicrosoftCodeAnalysisAnalyzersPackageVersion)</Tooling_MicrosoftCodeAnalysisBannedApiAnalyzersPackageVersion>
@@ -182,7 +182,7 @@
     <MicrosoftExtensionsDependencyModelVersion>6.0.0</MicrosoftExtensionsDependencyModelVersion>
     <MicrosoftExtensionsFileSystemGlobbingVersion>6.0.0-preview.7.21377.19</MicrosoftExtensionsFileSystemGlobbingVersion>
     <MoqVersion>4.10.0</MoqVersion>
-    <NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
+    <NewtonsoftJsonVersion>13.0.3</NewtonsoftJsonVersion>
     <SystemDiagnosticsDiagnosticSourceVersion>6.0.0</SystemDiagnosticsDiagnosticSourceVersion>
     <SystemReflectionMetadataVersion>5.0.0</SystemReflectionMetadataVersion>
     <SystemTextEncodingsWebVersion>6.0.0</SystemTextEncodingsWebVersion>
diff --git a/src/Razor/test/Microsoft.AspNetCore.Razor.LanguageServer.Test/Microsoft.AspNetCore.Razor.LanguageServer.Test.csproj b/src/Razor/test/Microsoft.AspNetCore.Razor.LanguageServer.Test/Microsoft.AspNetCore.Razor.LanguageServer.Test.csproj
index 88afd82fab0..95952677b82 100644
--- a/src/Razor/test/Microsoft.AspNetCore.Razor.LanguageServer.Test/Microsoft.AspNetCore.Razor.LanguageServer.Test.csproj
+++ b/src/Razor/test/Microsoft.AspNetCore.Razor.LanguageServer.Test/Microsoft.AspNetCore.Razor.LanguageServer.Test.csproj
@@ -40,6 +40,7 @@
         packages dependencies. We reference them here directly in order to do so, and set ExcludeAssets and PrivateAssets so
         the references have no other affect on build etc.
     -->
+    <PackageReference Include="Microsoft.IO.Redist" Version="$(MicrosoftIORedistPackageVersion)" PrivateAssets="all" ExcludeAssets="all" NoWarn="NU1701" />
     <PackageReference Include="Microsoft.VisualStudio.Imaging" Version="$(MicrosoftVisualStudioShellPackagesVersion)" PrivateAssets="all" ExcludeAssets="all" NoWarn="NU1701" />
     <PackageReference Include="Microsoft.VisualStudio.GraphModel" Version="$(MicrosoftVisualStudioShellPackagesVersion)" PrivateAssets="all" ExcludeAssets="all" NoWarn="NU1701" />
     <PackageReference Include="Microsoft.VisualStudio.Language.Intellisense" Version="$(MicrosoftVisualStudioPackagesVersion)" PrivateAssets="all" ExcludeAssets="all" NoWarn="NU1701" />
diff --git a/src/Razor/test/Microsoft.AspNetCore.Razor.Test.Common/Mef/ExportProviderCache.cs b/src/Razor/test/Microsoft.AspNetCore.Razor.Test.Common/Mef/ExportProviderCache.cs
index ae14bd718da..2b2a62815a7 100644
--- a/src/Razor/test/Microsoft.AspNetCore.Razor.Test.Common/Mef/ExportProviderCache.cs
+++ b/src/Razor/test/Microsoft.AspNetCore.Razor.Test.Common/Mef/ExportProviderCache.cs
@@ -279,7 +279,7 @@ private sealed class SimpleAssemblyLoader : IAssemblyLoader
         public Assembly LoadAssembly(AssemblyName assemblyName)
             => Assembly.Load(assemblyName);
 
-        public Assembly LoadAssembly(string assemblyFullName, string codeBasePath)
+        public Assembly LoadAssembly(string assemblyFullName, string? codeBasePath)
         {
             var assemblyName = new AssemblyName(assemblyFullName);
             if (!string.IsNullOrEmpty(codeBasePath))