diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index cb6f314bb0fa10..f8247cdf6f4e48 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -414,13 +414,13 @@
       <Uri>https://github.com/dotnet/installer</Uri>
       <Sha>46a7370763921ded24dcb70c585ee97883c615d4</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Build" Version="17.8.29">
+    <Dependency Name="Microsoft.Build" Version="17.8.43">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>2e2d89a923d83b7cf43ec543f725c1b206c912fe</Sha>
+      <Sha>f0cbb13971c30ad15a3f252a8d0171898a01ec11</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.msbuild" Version="17.8.29-servicing-25277-01">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.msbuild" Version="17.8.43-servicing-25466-03">
       <Uri>https://github.com/dotnet/msbuild</Uri>
-      <Sha>2e2d89a923d83b7cf43ec543f725c1b206c912fe</Sha>
+      <Sha>f0cbb13971c30ad15a3f252a8d0171898a01ec11</Sha>
       <SourceBuild RepoName="msbuild" ManagedOnly="true" />
     </Dependency>
   </ToolsetDependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index d43b07e78e77f4..95094ab439a202 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -182,7 +182,7 @@
     <NetStandardLibraryVersion>2.0.3</NetStandardLibraryVersion>
     <MicrosoftDiagnosticsToolsRuntimeClientVersion>1.0.4-preview6.19326.1</MicrosoftDiagnosticsToolsRuntimeClientVersion>
     <DNNEVersion>2.0.5</DNNEVersion>
-    <MicrosoftBuildVersion>17.8.29</MicrosoftBuildVersion>
+    <MicrosoftBuildVersion>17.8.43</MicrosoftBuildVersion>
     <MicrosoftBuildTasksCoreVersion>$(MicrosoftBuildVersion)</MicrosoftBuildTasksCoreVersion>
     <MicrosoftBuildFrameworkVersion>$(MicrosoftBuildVersion)</MicrosoftBuildFrameworkVersion>
     <MicrosoftBuildUtilitiesCoreVersion>$(MicrosoftBuildVersion)</MicrosoftBuildUtilitiesCoreVersion>