diff --git a/NuGet.config b/NuGet.config
index 76a72b2b91..28e6ac2872 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -5,10 +5,10 @@
     <clear />
   </fallbackPackageFolders>
   <packageSources>
+    <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <add key="darc-pub-dotnet-standard-a5b5f2e" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-standard-a5b5f2e1/nuget/v3/index.json" />
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
-    <clear />
     <!--
       'src/test/PrepareTestAssets/PrepareTestAssets.proj' generates a NuGet.config file using this
       one as a template. The following line is a marker to insert the test restore sources.
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 36bfe180f4..5391c7e85d 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -1,117 +1,117 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.NETCore.Platforms" Version="3.1.0-preview1.19480.14">
+    <Dependency Name="Microsoft.NETCore.Platforms" Version="3.1.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>66917d1fd792d43a26009b5b231d5cb94361650e</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.Targets" Version="3.1.0-preview1.19470.8">
+    <Dependency Name="Microsoft.NETCore.Targets" Version="3.1.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Private.CoreFx.NETCoreApp" Version="4.7.0-preview1.19480.14">
+    <Dependency Name="Microsoft.Private.CoreFx.NETCoreApp" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>66917d1fd792d43a26009b5b231d5cb94361650e</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Win32.Registry.AccessControl" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="Microsoft.Win32.Registry.AccessControl" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Win32.Registry" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="Microsoft.Win32.Registry" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Win32.SystemEvents" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="Microsoft.Win32.SystemEvents" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Windows.Compatibility" Version="3.1.0-preview1.19470.8">
+    <Dependency Name="Microsoft.Windows.Compatibility" Version="3.1.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.CodeDom" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.CodeDom" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Configuration.ConfigurationManager" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Configuration.ConfigurationManager" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Diagnostics.EventLog" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Diagnostics.EventLog" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Diagnostics.PerformanceCounter" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Diagnostics.PerformanceCounter" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.DirectoryServices" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.DirectoryServices" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Drawing.Common" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Drawing.Common" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.IO.FileSystem.AccessControl" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.IO.FileSystem.AccessControl" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Resources.Extensions" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Resources.Extensions" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.IO.Packaging" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.IO.Packaging" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
     <Dependency Name="System.IO.Pipes.AccessControl" Version="4.5.1">
       <Uri>https://github.com/dotnet/corefx</Uri>
       <Sha>7ee84596d92e178bce54c986df31ccc52479e772 </Sha>
     </Dependency>
-    <Dependency Name="System.Security.AccessControl" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Security.AccessControl" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Security.Cryptography.Cng" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Security.Cryptography.Cng" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Security.Cryptography.Pkcs" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Security.Cryptography.Pkcs" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Security.Cryptography.ProtectedData" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Security.Cryptography.ProtectedData" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Security.Cryptography.Xml" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Security.Cryptography.Xml" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Security.Permissions" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Security.Permissions" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Security.Principal.Windows" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Security.Principal.Windows" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Text.Encodings.Web" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Text.Encodings.Web" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Text.Json" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Text.Json" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Threading.AccessControl" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Threading.AccessControl" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
-    <Dependency Name="System.Windows.Extensions" Version="4.7.0-preview1.19470.8">
+    <Dependency Name="System.Windows.Extensions" Version="4.7.0-preview1.19501.5">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>6a4153689e79a8e58ee3ed77e04d04a0d9dc2ea6</Sha>
+      <Sha>09e0353381e2b9da8dd90d64869de076740cc800</Sha>
     </Dependency>
     <Dependency Name="NETStandard.Library" Version="2.1.0">
       <Uri>https://github.com/dotnet/standard</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index ef1c552ce9..476297a2c7 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -31,34 +31,34 @@
     <!-- sourcelink -->
     <MicrosoftSourceLinkVersion>1.0.0-beta2-19367-01</MicrosoftSourceLinkVersion>
     <!-- corefx -->
-    <MicrosoftNETCorePlatformsPackageVersion>3.1.0-preview1.19480.14</MicrosoftNETCorePlatformsPackageVersion>
-    <MicrosoftNETCoreTargetsPackageVersion>3.1.0-preview1.19470.8</MicrosoftNETCoreTargetsPackageVersion>
-    <MicrosoftPrivateCoreFxNETCoreAppPackageVersion>4.7.0-preview1.19480.14</MicrosoftPrivateCoreFxNETCoreAppPackageVersion>
-    <MicrosoftWin32RegistryAccessControlVersion>4.7.0-preview1.19470.8</MicrosoftWin32RegistryAccessControlVersion>
-    <MicrosoftWin32RegistryVersion>4.7.0-preview1.19470.8</MicrosoftWin32RegistryVersion>
-    <MicrosoftWin32SystemEventsVersion>4.7.0-preview1.19470.8</MicrosoftWin32SystemEventsVersion>
-    <MicrosoftWindowsCompatibilityPackageVersion>3.1.0-preview1.19470.8</MicrosoftWindowsCompatibilityPackageVersion>
-    <SystemCodeDomVersion>4.7.0-preview1.19470.8</SystemCodeDomVersion>
-    <SystemConfigurationConfigurationManagerVersion>4.7.0-preview1.19470.8</SystemConfigurationConfigurationManagerVersion>
-    <SystemDiagnosticsEventLogVersion>4.7.0-preview1.19470.8</SystemDiagnosticsEventLogVersion>
+    <MicrosoftNETCorePlatformsPackageVersion>3.1.0-preview1.19501.5</MicrosoftNETCorePlatformsPackageVersion>
+    <MicrosoftNETCoreTargetsPackageVersion>3.1.0-preview1.19501.5</MicrosoftNETCoreTargetsPackageVersion>
+    <MicrosoftPrivateCoreFxNETCoreAppPackageVersion>4.7.0-preview1.19501.5</MicrosoftPrivateCoreFxNETCoreAppPackageVersion>
+    <MicrosoftWin32RegistryAccessControlVersion>4.7.0-preview1.19501.5</MicrosoftWin32RegistryAccessControlVersion>
+    <MicrosoftWin32RegistryVersion>4.7.0-preview1.19501.5</MicrosoftWin32RegistryVersion>
+    <MicrosoftWin32SystemEventsVersion>4.7.0-preview1.19501.5</MicrosoftWin32SystemEventsVersion>
+    <MicrosoftWindowsCompatibilityPackageVersion>3.1.0-preview1.19501.5</MicrosoftWindowsCompatibilityPackageVersion>
+    <SystemCodeDomVersion>4.7.0-preview1.19501.5</SystemCodeDomVersion>
+    <SystemConfigurationConfigurationManagerVersion>4.7.0-preview1.19501.5</SystemConfigurationConfigurationManagerVersion>
+    <SystemDiagnosticsEventLogVersion>4.7.0-preview1.19501.5</SystemDiagnosticsEventLogVersion>
     <SystemDiagnosticsPerformanceCounter>4.6.0-preview8.19375.15</SystemDiagnosticsPerformanceCounter>
-    <SystemDirectoryServicesVersion>4.7.0-preview1.19470.8</SystemDirectoryServicesVersion>
-    <SystemDrawingCommonVersion>4.7.0-preview1.19470.8</SystemDrawingCommonVersion>
-    <SystemIOFileSystemAccessControlVersion>4.7.0-preview1.19470.8</SystemIOFileSystemAccessControlVersion>
-    <SystemIOPackagingVersion>4.7.0-preview1.19470.8</SystemIOPackagingVersion>
+    <SystemDirectoryServicesVersion>4.7.0-preview1.19501.5</SystemDirectoryServicesVersion>
+    <SystemDrawingCommonVersion>4.7.0-preview1.19501.5</SystemDrawingCommonVersion>
+    <SystemIOFileSystemAccessControlVersion>4.7.0-preview1.19501.5</SystemIOFileSystemAccessControlVersion>
+    <SystemIOPackagingVersion>4.7.0-preview1.19501.5</SystemIOPackagingVersion>
     <SystemIOPipesAccessControl>4.5.1</SystemIOPipesAccessControl>
-    <SystemResourcesExtensionsPackageVersion>4.7.0-preview1.19470.8</SystemResourcesExtensionsPackageVersion>
-    <SystemSecurityAccessControlVersion>4.7.0-preview1.19470.8</SystemSecurityAccessControlVersion>
-    <SystemSecurityCryptographyCngVersion>4.7.0-preview1.19470.8</SystemSecurityCryptographyCngVersion>
-    <SystemSecurityCryptographyPkcsVersion>4.7.0-preview1.19470.8</SystemSecurityCryptographyPkcsVersion>
-    <SystemSecurityCryptographyProtectedDataVersion>4.7.0-preview1.19470.8</SystemSecurityCryptographyProtectedDataVersion>
-    <SystemSecurityCryptographyXmlVersion>4.7.0-preview1.19470.8</SystemSecurityCryptographyXmlVersion>
-    <SystemSecurityPermissionsVersion>4.7.0-preview1.19470.8</SystemSecurityPermissionsVersion>
-    <SystemSecurityPrincipalWindowsVersion>4.7.0-preview1.19470.8</SystemSecurityPrincipalWindowsVersion>
-    <SystemTextEncodingsWebVersion>4.7.0-preview1.19470.8</SystemTextEncodingsWebVersion>
-    <SystemTextJsonVersion>4.7.0-preview1.19470.8</SystemTextJsonVersion>
-    <SystemThreadingAccessControlVersion>4.7.0-preview1.19470.8</SystemThreadingAccessControlVersion>
-    <SystemWindowsExtensionsPackageVersion>4.7.0-preview1.19470.8</SystemWindowsExtensionsPackageVersion>
+    <SystemResourcesExtensionsPackageVersion>4.7.0-preview1.19501.5</SystemResourcesExtensionsPackageVersion>
+    <SystemSecurityAccessControlVersion>4.7.0-preview1.19501.5</SystemSecurityAccessControlVersion>
+    <SystemSecurityCryptographyCngVersion>4.7.0-preview1.19501.5</SystemSecurityCryptographyCngVersion>
+    <SystemSecurityCryptographyPkcsVersion>4.7.0-preview1.19501.5</SystemSecurityCryptographyPkcsVersion>
+    <SystemSecurityCryptographyProtectedDataVersion>4.7.0-preview1.19501.5</SystemSecurityCryptographyProtectedDataVersion>
+    <SystemSecurityCryptographyXmlVersion>4.7.0-preview1.19501.5</SystemSecurityCryptographyXmlVersion>
+    <SystemSecurityPermissionsVersion>4.7.0-preview1.19501.5</SystemSecurityPermissionsVersion>
+    <SystemSecurityPrincipalWindowsVersion>4.7.0-preview1.19501.5</SystemSecurityPrincipalWindowsVersion>
+    <SystemTextEncodingsWebVersion>4.7.0-preview1.19501.5</SystemTextEncodingsWebVersion>
+    <SystemTextJsonVersion>4.7.0-preview1.19501.5</SystemTextJsonVersion>
+    <SystemThreadingAccessControlVersion>4.7.0-preview1.19501.5</SystemThreadingAccessControlVersion>
+    <SystemWindowsExtensionsPackageVersion>4.7.0-preview1.19501.5</SystemWindowsExtensionsPackageVersion>
     <!-- standard -->
     <NETStandardLibraryPackageVersion>2.1.0</NETStandardLibraryPackageVersion>
     <!-- coreclr -->