diff --git a/NuGet.config b/NuGet.config
index 7e0d2c542f5..1245da4ae60 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -8,7 +8,6 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from DotNet-msbuild-Trusted -->
-    <add key="darc-pub-DotNet-msbuild-Trusted-c192adb" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-DotNet-msbuild-Trusted-c192adbb/nuget/v3/index.json" />
     <!--  End: Package sources from DotNet-msbuild-Trusted -->
     <!--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" />
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 158d160bcc4..082a9a2e0da 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -1,21 +1,21 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.Build" Version="17.15.0-preview-25276-10">
+    <Dependency Name="Microsoft.Build" Version="17.15.0-preview-25278-01">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>15d19b96cf826b99925c8e5fd75575f46c60dd4a</Sha>
+      <Sha>6de64741f6440bb6730d9a342934ce49d600fcc9</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Build.Framework" Version="17.15.0-preview-25276-10">
+    <Dependency Name="Microsoft.Build.Framework" Version="17.15.0-preview-25278-01">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>15d19b96cf826b99925c8e5fd75575f46c60dd4a</Sha>
+      <Sha>6de64741f6440bb6730d9a342934ce49d600fcc9</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Build.Tasks.Core" Version="17.15.0-preview-25276-10">
+    <Dependency Name="Microsoft.Build.Tasks.Core" Version="17.15.0-preview-25278-01">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>15d19b96cf826b99925c8e5fd75575f46c60dd4a</Sha>
+      <Sha>6de64741f6440bb6730d9a342934ce49d600fcc9</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Build.Utilities.Core" Version="17.15.0-preview-25276-10">
+    <Dependency Name="Microsoft.Build.Utilities.Core" Version="17.15.0-preview-25278-01">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>15d19b96cf826b99925c8e5fd75575f46c60dd4a</Sha>
+      <Sha>6de64741f6440bb6730d9a342934ce49d600fcc9</Sha>
     </Dependency>
     <Dependency Name="System.Reflection.Metadata" Version="9.0.0">
       <Uri>https://github.com/dotnet/runtime</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 6d7504f8dd2..71898c7f8ea 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -103,7 +103,7 @@
     <VisualStudioProjectSystemPackagesVersion>17.14.79</VisualStudioProjectSystemPackagesVersion>
     <VisualStudioShellProjectsPackages>17.14.40254</VisualStudioShellProjectsPackages>
     <MicrosoftVisualStudioThreadingPackagesVersion>17.14.15</MicrosoftVisualStudioThreadingPackagesVersion>
-    <MicrosoftBuildVersion>17.15.0-preview-25276-10</MicrosoftBuildVersion>
+    <MicrosoftBuildVersion>17.15.0-preview-25278-01</MicrosoftBuildVersion>
     <!-- Roslyn packages -->
     <MicrosoftCodeAnalysisEditorFeaturesVersion>$(RoslynVersion)</MicrosoftCodeAnalysisEditorFeaturesVersion>
     <MicrosoftCodeAnalysisEditorFeaturesTextVersion>$(RoslynVersion)</MicrosoftCodeAnalysisEditorFeaturesTextVersion>
@@ -139,9 +139,9 @@
     <MicrosoftVisualStudioShellImmutable150Version>15.0.25123-Dev15Preview</MicrosoftVisualStudioShellImmutable150Version>
     <!-- -->
     <!-- Microsoft Build packages -->
-    <MicrosoftBuildFrameworkVersion>17.15.0-preview-25276-10</MicrosoftBuildFrameworkVersion>
-    <MicrosoftBuildTasksCoreVersion>17.15.0-preview-25276-10</MicrosoftBuildTasksCoreVersion>
-    <MicrosoftBuildUtilitiesCoreVersion>17.15.0-preview-25276-10</MicrosoftBuildUtilitiesCoreVersion>
+    <MicrosoftBuildFrameworkVersion>17.15.0-preview-25278-01</MicrosoftBuildFrameworkVersion>
+    <MicrosoftBuildTasksCoreVersion>17.15.0-preview-25278-01</MicrosoftBuildTasksCoreVersion>
+    <MicrosoftBuildUtilitiesCoreVersion>17.15.0-preview-25278-01</MicrosoftBuildUtilitiesCoreVersion>
     <!-- -->
     <!-- Visual Studio Editor packages -->
     <MicrosoftVisualStudioCoreUtilityVersion>$(VisualStudioEditorPackagesVersion)</MicrosoftVisualStudioCoreUtilityVersion>