diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 3e9137b82ad..23854d7f3d7 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -10,9 +10,9 @@
       <Uri>https://github.com/nuget/nuget.client</Uri>
       <Sha>ca5029046d7b6e55f322c45abb7b342054543710</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="4.6.0-2.23152.6">
+    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="4.6.0-2.23166.9">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>1314d090671dc1a1500c5303c4b5ae9150f40d98</Sha>
+      <Sha>48b13597fee9df5ecfbd0b8c0758b3f46bc1d440</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.XUnitExtensions" Version="6.0.0-beta.23114.5">
       <Uri>https://github.com/dotnet/arcade</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 49ba3076264..a45f78695c1 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -51,7 +51,7 @@
     <MicrosoftDotNetXUnitExtensionsVersion>6.0.0-beta.23114.5</MicrosoftDotNetXUnitExtensionsVersion>
     <MicrosoftExtensionsDependencyModelVersion>7.0.0</MicrosoftExtensionsDependencyModelVersion>
     <MicrosoftIORedistVersion>6.0.0</MicrosoftIORedistVersion>
-    <MicrosoftNetCompilersToolsetVersion>4.6.0-2.23152.6</MicrosoftNetCompilersToolsetVersion>
+    <MicrosoftNetCompilersToolsetVersion>4.6.0-2.23166.9</MicrosoftNetCompilersToolsetVersion>
     <NuGetBuildTasksVersion>6.5.0-rc.149</NuGetBuildTasksVersion>
     <SystemRuntimeCompilerServicesUnsafeVersion>6.0.0</SystemRuntimeCompilerServicesUnsafeVersion>
     <SystemTextJsonVersion>7.0.0</SystemTextJsonVersion>