From 51716a9db5c5710bbc1b5656f63bfdd20e6f83c2 Mon Sep 17 00:00:00 2001
From: "dotnet-maestro[bot]" <dotnet-maestro[bot]@users.noreply.github.com>
Date: Mon, 1 Jun 2026 05:07:57 +0000
Subject: [PATCH] Update dependencies from https://github.com/dotnet/roslyn
 build 20260531.1 On relative base path root Microsoft.Net.Compilers.Toolset
 From Version 5.8.0-1.26274.19 -> To Version 5.9.0-1.26281.1

---
 eng/Version.Details.props | 2 +-
 eng/Version.Details.xml   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/eng/Version.Details.props b/eng/Version.Details.props
index 36bce8f739c..9ae5ae1d5a3 100644
--- a/eng/Version.Details.props
+++ b/eng/Version.Details.props
@@ -9,7 +9,7 @@ This file should be imported by eng/Versions.props
     <MicrosoftDotNetArcadeSdkPackageVersion>10.0.0-beta.26269.10</MicrosoftDotNetArcadeSdkPackageVersion>
     <MicrosoftDotNetXUnitV3ExtensionsPackageVersion>10.0.0-beta.26269.10</MicrosoftDotNetXUnitV3ExtensionsPackageVersion>
     <!-- dotnet-roslyn dependencies -->
-    <MicrosoftNetCompilersToolsetPackageVersion>5.8.0-1.26274.19</MicrosoftNetCompilersToolsetPackageVersion>
+    <MicrosoftNetCompilersToolsetPackageVersion>5.9.0-1.26281.1</MicrosoftNetCompilersToolsetPackageVersion>
     <!-- dotnet-runtime dependencies -->
     <SystemCodeDomPackageVersion>10.0.4</SystemCodeDomPackageVersion>
     <SystemCollectionsImmutablePackageVersion>10.0.4</SystemCollectionsImmutablePackageVersion>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index aaea1f1fb3e..a2fe69eaad5 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -114,9 +114,9 @@
       <Uri>https://github.com/nuget/nuget.client</Uri>
       <Sha>4b686816fbefeca949704f6c633c2d79d01b8151</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="5.8.0-1.26274.19">
+    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="5.9.0-1.26281.1">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>b3e2ba3f0d28e529812471bcead2e2eebc7b2b54</Sha>
+      <Sha>b61578f663902f378edd44ca5bf5dec35726b6df</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.XUnitV3Extensions" Version="10.0.0-beta.26269.10">
       <Uri>https://github.com/dotnet/arcade</Uri>