diff --git a/NuGet.config b/NuGet.config
index 73be431eb7..9b0d337c58 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -2,9 +2,16 @@
 <configuration>
   <packageSources>
     <clear />
-    <add key="dotnet-eng" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json" /> 
-    <add key="dotnet3.1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1/nuget/v3/index.json" /> 
-    <add key="dotnet3.1-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1-transport/nuget/v3/index.json" /> 
+    <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
+    <add key="darc-pub-dotnet-efcore-7ae89d6" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-efcore-7ae89d6a/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-core-setup-916b5cb" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-core-setup-916b5cba/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-corefx-e946ceb-1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-corefx-e946cebe-1/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-aspnetcore-tooling-2dab42e" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-aspnetcore-tooling-2dab42e1/nuget/v3/index.json" />
+    <add key="darc-pub-aspnet-Extensions-1286a6f" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-aspnet-Extensions-1286a6ff/nuget/v3/index.json" />
+    <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
+    <add key="dotnet-eng" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json" />
+    <add key="dotnet3.1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1/nuget/v3/index.json" />
+    <add key="dotnet3.1-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1-transport/nuget/v3/index.json" />
     <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
     <add key="blazor-wasm" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1-blazor/nuget/v3/index.json" />
   </packageSources>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 1ca0b424e6..20064b01c7 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -9,9 +9,9 @@
 -->
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.AspNetCore.Components.WebAssembly.Runtime" Version="3.2.0-preview3.20174.2">
+    <Dependency Name="Microsoft.AspNetCore.Components.WebAssembly.Runtime" Version="3.2.0-preview4.20175.1">
       <Uri>https://github.com/dotnet/blazor</Uri>
-      <Sha>391e488f90327c287f1cb4a6002a904c542c4906</Sha>
+      <Sha>07cd2d84bd4bcd3dea3408f312d139fbf0c4805f</Sha>
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.Razor.Language" Version="3.1.2">
       <Uri>https://github.com/dotnet/aspnetcore-tooling</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 53c7e3fd83..4a1db7b829 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -98,7 +98,7 @@
     <!-- Only listed explicitly to workaround https://github.com/dotnet/cli/issues/10528 -->
     <MicrosoftNETCorePlatformsPackageVersion>3.1.0</MicrosoftNETCorePlatformsPackageVersion>
     <!-- Packages from aspnet/Blazor -->
-    <MicrosoftAspNetCoreComponentsWebAssemblyRuntimePackageVersion>3.2.0-preview3.20174.2</MicrosoftAspNetCoreComponentsWebAssemblyRuntimePackageVersion>
+    <MicrosoftAspNetCoreComponentsWebAssemblyRuntimePackageVersion>3.2.0-preview4.20175.1</MicrosoftAspNetCoreComponentsWebAssemblyRuntimePackageVersion>
     <!-- Packages from aspnet/Extensions -->
     <InternalAspNetCoreAnalyzersPackageVersion>3.1.2-servicing.20067.6</InternalAspNetCoreAnalyzersPackageVersion>
     <MicrosoftAspNetCoreAnalyzerTestingPackageVersion>3.1.2-servicing.20067.6</MicrosoftAspNetCoreAnalyzerTestingPackageVersion>