diff --git a/NuGet.config b/NuGet.config
index b0995c27f77d..58e1ee4e6306 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -14,7 +14,7 @@
     <!--  Begin: Package sources from dotnet-aspnetcore -->
     <!--  End: Package sources from dotnet-aspnetcore -->
     <!--  Begin: Package sources from DotNet-msbuild-Trusted -->
-    <add key="darc-pub-DotNet-msbuild-Trusted-03e28d1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-DotNet-msbuild-Trusted-03e28d16/nuget/v3/index.json" />
+    <add key="darc-pub-DotNet-msbuild-Trusted-fda44ee" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-DotNet-msbuild-Trusted-fda44ee8/nuget/v3/index.json" />
     <!--  End: Package sources from DotNet-msbuild-Trusted -->
     <!--  Begin: Package sources from dotnet-roslyn-analyzers -->
     <!--  End: Package sources from dotnet-roslyn-analyzers -->
@@ -22,6 +22,11 @@
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-templating -->
     <add key="darc-pub-dotnet-templating-16fd0f5" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-templating-16fd0f57/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-templating-16fd0f5-5" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-templating-16fd0f57-5/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-templating-16fd0f5-4" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-templating-16fd0f57-4/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-templating-16fd0f5-3" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-templating-16fd0f57-3/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-templating-16fd0f5-2" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-templating-16fd0f57-2/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-templating-16fd0f5-1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-templating-16fd0f57-1/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-templating -->
     <!--  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 0d43b66d2853..00d964dc02ae 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -55,17 +55,17 @@
       <Uri>https://github.com/dotnet/emsdk</Uri>
       <Sha>6fd14a46f7bc405f4ba53b1e691c76fdc6324b0b</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Build" Version="17.8.36">
+    <Dependency Name="Microsoft.Build" Version="17.8.42">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>03e28d165c0959ee43aa91c2612776b011522a70</Sha>
+      <Sha>fda44ee81fc258f85338d98ac3f6064df9963a3c</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Build.Localization" Version="17.8.36-servicing-25411-03">
+    <Dependency Name="Microsoft.Build.Localization" Version="17.8.42-servicing-25458-03">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>03e28d165c0959ee43aa91c2612776b011522a70</Sha>
+      <Sha>fda44ee81fc258f85338d98ac3f6064df9963a3c</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.msbuild" Version="17.8.36-servicing-25411-03">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.msbuild" Version="17.8.42-servicing-25458-03">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>03e28d165c0959ee43aa91c2612776b011522a70</Sha>
+      <Sha>fda44ee81fc258f85338d98ac3f6064df9963a3c</Sha>
       <SourceBuild RepoName="msbuild" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.FSharp.Compiler" Version="12.8.102-beta.24081.2">
diff --git a/eng/Versions.props b/eng/Versions.props
index 7647aab4a81f..1442f2862ea5 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -123,7 +123,7 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/Microsoft/msbuild -->
-    <MicrosoftBuildPackageVersion>17.8.36</MicrosoftBuildPackageVersion>
+    <MicrosoftBuildPackageVersion>17.8.42</MicrosoftBuildPackageVersion>
     <MicrosoftBuildCurrentPackageVersion>$(MicrosoftBuildPackageVersion)</MicrosoftBuildCurrentPackageVersion>
     <!-- Some tasks and the resolver will need to run in an MSBuild that is older than the very latest,
           so target one that matches the version in minimumMSBuildVersion.
@@ -132,7 +132,7 @@
     <MicrosoftBuildPackageVersion Condition="exists('$(RepoRoot)\src\Layout\redist\minimumMSBuildVersion') and '$(DotNetBuildFromSource)' != 'true'">$([System.IO.File]::ReadAllText('$(RepoRoot)\src\Layout\redist\minimumMSBuildVersion').Trim())</MicrosoftBuildPackageVersion>
     <MicrosoftBuildFrameworkPackageVersion>$(MicrosoftBuildPackageVersion)</MicrosoftBuildFrameworkPackageVersion>
     <MicrosoftBuildRuntimePackageVersion>$(MicrosoftBuildPackageVersion)</MicrosoftBuildRuntimePackageVersion>
-    <MicrosoftBuildLocalizationPackageVersion>17.8.36-servicing-25411-03</MicrosoftBuildLocalizationPackageVersion>
+    <MicrosoftBuildLocalizationPackageVersion>17.8.42-servicing-25458-03</MicrosoftBuildLocalizationPackageVersion>
     <MicrosoftBuildUtilitiesCorePackageVersion>$(MicrosoftBuildPackageVersion)</MicrosoftBuildUtilitiesCorePackageVersion>
     <MicrosoftBuildTasksCorePackageVersion>$(MicrosoftBuildPackageVersion)</MicrosoftBuildTasksCorePackageVersion>
     <MicrosoftBuildTasksCoreVersion>$(MicrosoftBuildTasksCorePackageVersion)</MicrosoftBuildTasksCoreVersion>