diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index aa8436934015..8d8a886b7034 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -69,18 +69,18 @@
       <Sha>53c4a109e2abc0112996e2bc4a7f830f572f4efd</Sha>
       <SourceBuild RepoName="emsdk" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.Build" Version="17.11.0-preview-24270-02">
+    <Dependency Name="Microsoft.Build" Version="17.11.0-preview-24271-01">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>66e0371a64e08160e63000fc2ced8cb8bbc6739e</Sha>
+      <Sha>9e21c71e90cd513a70ccb889259cb6c5d24cac34</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Build.Localization" Version="17.11.0-preview-24270-02">
+    <Dependency Name="Microsoft.Build.Localization" Version="17.11.0-preview-24271-01">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>66e0371a64e08160e63000fc2ced8cb8bbc6739e</Sha>
+      <Sha>9e21c71e90cd513a70ccb889259cb6c5d24cac34</Sha>
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.msbuild" Version="17.11.0-preview-24270-02">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.msbuild" Version="17.11.0-preview-24271-01">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>66e0371a64e08160e63000fc2ced8cb8bbc6739e</Sha>
+      <Sha>9e21c71e90cd513a70ccb889259cb6c5d24cac34</Sha>
       <SourceBuild RepoName="msbuild" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.FSharp.Compiler" Version="12.8.400-beta.24270.4">
diff --git a/eng/Versions.props b/eng/Versions.props
index 66714a43f054..f8311f00430c 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -201,8 +201,8 @@
          then use that in Directory.Packages.props.
 
          At usage sites, either we use MicrosoftBuildMinimumVersion, or MicrosoftBuildVersion in source-only modes. -->
-    <MicrosoftBuildVersion>17.11.0-preview-24270-02</MicrosoftBuildVersion>
-    <MicrosoftBuildLocalizationVersion>17.11.0-preview-24270-02</MicrosoftBuildLocalizationVersion>
+    <MicrosoftBuildVersion>17.11.0-preview-24271-01</MicrosoftBuildVersion>
+    <MicrosoftBuildLocalizationVersion>17.11.0-preview-24271-01</MicrosoftBuildLocalizationVersion>
     <MicrosoftBuildMinimumVersion Condition="Exists('$(RepoRoot)src\Layout\redist\minimumMSBuildVersion') and '$(DotNetBuildSourceOnly)' != 'true'">$([System.IO.File]::ReadAllText('$(RepoRoot)src\Layout\redist\minimumMSBuildVersion').Trim())</MicrosoftBuildMinimumVersion>
   </PropertyGroup>
   <PropertyGroup>