diff --git a/NuGet.config b/NuGet.config
index 1f8067f09..03d3587a6 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -7,20 +7,16 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-aspnetcore -->
-    <add key="darc-int-dotnet-aspnetcore-36be7ed" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-aspnetcore-36be7ed6/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-aspnetcore -->
     <!--  Begin: Package sources from dotnet-emsdk -->
     <!--  End: Package sources from dotnet-emsdk -->
     <!--  Begin: Package sources from DotNet-msbuild-Trusted -->
     <!--  End: Package sources from DotNet-msbuild-Trusted -->
     <!--  Begin: Package sources from dotnet-runtime -->
-    <add key="darc-int-dotnet-runtime-492abbe" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-runtime-492abbee/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-templating -->
-    <add key="darc-int-dotnet-templating-42ab085" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-templating-42ab085a/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-templating -->
     <!--  Begin: Package sources from dotnet-windowsdesktop -->
-    <add key="darc-int-dotnet-windowsdesktop-a74946f" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-windowsdesktop-a74946f8/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-windowsdesktop -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
     <add key="dotnet-tools" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json" />
@@ -41,16 +37,12 @@
     <!--  Begin: Package sources from DotNet-msbuild-Trusted -->
     <!--  End: Package sources from DotNet-msbuild-Trusted -->
     <!--  Begin: Package sources from dotnet-aspnetcore -->
-    <add key="darc-int-dotnet-aspnetcore-36be7ed" value="true" />
     <!--  End: Package sources from dotnet-aspnetcore -->
     <!--  Begin: Package sources from dotnet-runtime -->
-    <add key="darc-int-dotnet-runtime-492abbe" value="true" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-templating -->
-    <add key="darc-int-dotnet-templating-42ab085" value="true" />
     <!--  End: Package sources from dotnet-templating -->
     <!--  Begin: Package sources from dotnet-windowsdesktop -->
-    <add key="darc-int-dotnet-windowsdesktop-a74946f" value="true" />
     <!--  End: Package sources from dotnet-windowsdesktop -->
     <!--  Begin: Package sources from dotnet-windowsdesktop -->
     <!--  End: Package sources from dotnet-windowsdesktop -->
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 10158d645..492e94748 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -166,9 +166,9 @@
       <Sha>698fdad58fa64a55f16cd9562c90224cc498ed02</Sha>
       <SourceBuildTarball RepoName="xdt" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.400" Version="6.0.22" CoherentParentDependency="VS.Redist.Common.NetCore.SharedFramework.x64.6.0">
+    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.400" Version="6.0.25" CoherentParentDependency="VS.Redist.Common.NetCore.SharedFramework.x64.6.0">
       <Uri>https://github.com/dotnet/emsdk</Uri>
-      <Sha>3c754f28788fae642dc307a948479204e9f7dd5a</Sha>
+      <Sha>d8bc162ccf7ce14fdbec9c2c50d6e856a7063c91</Sha>
     </Dependency>
     <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build" Version="0.1.0-alpha.1.21519.2" CoherentParentDependency="Microsoft.NET.Sdk">
       <Uri>https://github.com/dotnet/source-build</Uri>
@@ -197,19 +197,19 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="6.0.0-beta.23511.8">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="6.0.0-beta.23517.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>06ccd9430e2e3bd29a381a5b27e7976d11b0ed18</Sha>
+      <Sha>7c67805da0adbf4e72f2f4799b63efcf1cc8fe4c</Sha>
       <SourceBuild RepoName="arcade" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.CMake.Sdk" Version="6.0.0-beta.23511.8">
+    <Dependency Name="Microsoft.DotNet.CMake.Sdk" Version="6.0.0-beta.23517.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>06ccd9430e2e3bd29a381a5b27e7976d11b0ed18</Sha>
+      <Sha>7c67805da0adbf4e72f2f4799b63efcf1cc8fe4c</Sha>
       <SourceBuild RepoName="arcade" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Installers" Version="6.0.0-beta.23511.8">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Installers" Version="6.0.0-beta.23517.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>06ccd9430e2e3bd29a381a5b27e7976d11b0ed18</Sha>
+      <Sha>7c67805da0adbf4e72f2f4799b63efcf1cc8fe4c</Sha>
     </Dependency>
     <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="6.0.0-servicing.22580.2">
       <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 7814defb1..6407cb843 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -19,7 +19,7 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependency from https://github.com/dotnet/arcade -->
-    <MicrosoftDotNetBuildTasksInstallersPackageVersion>6.0.0-beta.23511.8</MicrosoftDotNetBuildTasksInstallersPackageVersion>
+    <MicrosoftDotNetBuildTasksInstallersPackageVersion>6.0.0-beta.23517.3</MicrosoftDotNetBuildTasksInstallersPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependency from https://github.com/dotnet/winforms -->
@@ -185,7 +185,7 @@
     <XamarinMacOSWorkloadManifestVersion>12.3.303</XamarinMacOSWorkloadManifestVersion>
     <XamarinTvOSWorkloadManifestVersion>15.4.303</XamarinTvOSWorkloadManifestVersion>
     <MonoWorkloadManifestVersion>6.0.5</MonoWorkloadManifestVersion>
-    <MicrosoftNETWorkloadEmscriptenManifest60400Version>6.0.22</MicrosoftNETWorkloadEmscriptenManifest60400Version>
+    <MicrosoftNETWorkloadEmscriptenManifest60400Version>6.0.25</MicrosoftNETWorkloadEmscriptenManifest60400Version>
     <EmscriptenWorkloadManifestVersion>$(MicrosoftNETWorkloadEmscriptenManifest60400Version)</EmscriptenWorkloadManifestVersion>
   </PropertyGroup>
   <PropertyGroup>
diff --git a/eng/common/templates/jobs/source-build.yml b/eng/common/templates/jobs/source-build.yml
index 7c240e654..00aa98eb3 100644
--- a/eng/common/templates/jobs/source-build.yml
+++ b/eng/common/templates/jobs/source-build.yml
@@ -14,7 +14,7 @@ parameters:
   # This is the default platform provided by Arcade, intended for use by a managed-only repo.
   defaultManagedPlatform:
     name: 'Managed'
-    container: 'mcr.microsoft.com/dotnet-buildtools/prereqs:centos-7'
+    container: 'mcr.microsoft.com/dotnet-buildtools/prereqs:centos-7-3e800f1-20190501005343'
 
   # Defines the platforms on which to run build jobs. One job is created for each platform, and the
   # object in this array is sent to the job template as 'platform'. If no platforms are specified,
diff --git a/global.json b/global.json
index eeff7fa00..1410185dd 100644
--- a/global.json
+++ b/global.json
@@ -11,7 +11,7 @@
     "cmake": "3.16.4"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "6.0.0-beta.23511.8",
-    "Microsoft.DotNet.CMake.Sdk": "6.0.0-beta.23511.8"
+    "Microsoft.DotNet.Arcade.Sdk": "6.0.0-beta.23517.3",
+    "Microsoft.DotNet.CMake.Sdk": "6.0.0-beta.23517.3"
   }
 }