diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 316ce5409c22..4ba7c62bb162 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -69,18 +69,18 @@
       <Sha>0b30e0253a0d7c47a99cecd51b0d5ff5c83ad1df</Sha>
       <SourceBuild RepoName="emsdk" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.Build" Version="17.13.0-preview-24529-01">
+    <Dependency Name="Microsoft.Build" Version="17.13.0-preview-24529-12">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>c77c393108188fdb4935abbd2f3a18d9e281cbe5</Sha>
+      <Sha>ee511a9389f27376b131b7115ea0ad5aa0c75ce2</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Build.Localization" Version="17.13.0-preview-24529-01">
+    <Dependency Name="Microsoft.Build.Localization" Version="17.13.0-preview-24529-12">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>c77c393108188fdb4935abbd2f3a18d9e281cbe5</Sha>
+      <Sha>ee511a9389f27376b131b7115ea0ad5aa0c75ce2</Sha>
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.msbuild" Version="17.13.0-preview-24529-01">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.msbuild" Version="17.13.0-preview-24529-12">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>c77c393108188fdb4935abbd2f3a18d9e281cbe5</Sha>
+      <Sha>ee511a9389f27376b131b7115ea0ad5aa0c75ce2</Sha>
       <SourceBuild RepoName="msbuild" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.FSharp.Compiler" Version="13.9.200-beta.24529.1">
diff --git a/eng/Versions.props b/eng/Versions.props
index 02d0946903d3..31833ee06061 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -195,8 +195,8 @@
          then use that in Directory.Packages.props.
 
          At usage sites, either we use MicrosoftBuildMinimumVersion, or MicrosoftBuildVersion in source-only modes. -->
-    <MicrosoftBuildVersion>17.13.0-preview-24529-01</MicrosoftBuildVersion>
-    <MicrosoftBuildLocalizationVersion>17.13.0-preview-24529-01</MicrosoftBuildLocalizationVersion>
+    <MicrosoftBuildVersion>17.13.0-preview-24529-12</MicrosoftBuildVersion>
+    <MicrosoftBuildLocalizationVersion>17.13.0-preview-24529-12</MicrosoftBuildLocalizationVersion>
     <MicrosoftBuildMinimumVersion Condition="'$(DotNetBuildSourceOnly)' != 'true'">17.11.4</MicrosoftBuildMinimumVersion>
   </PropertyGroup>
   <PropertyGroup>