diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 96c21e54ca..849e921bfb 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -7,25 +7,25 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="9.0.0-beta.24076.5">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="9.0.0-beta.24102.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>66c9c5397d599af40f2a94989241944f5a73442a</Sha>
+      <Sha>2fb543a45580400a559b5ae41c96a815ea14dac5</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Feed" Version="9.0.0-beta.24076.5">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Feed" Version="9.0.0-beta.24102.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>66c9c5397d599af40f2a94989241944f5a73442a</Sha>
+      <Sha>2fb543a45580400a559b5ae41c96a815ea14dac5</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.SignTool" Version="9.0.0-beta.24076.5">
+    <Dependency Name="Microsoft.DotNet.SignTool" Version="9.0.0-beta.24102.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>66c9c5397d599af40f2a94989241944f5a73442a</Sha>
+      <Sha>2fb543a45580400a559b5ae41c96a815ea14dac5</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="9.0.0-beta.24076.5">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="9.0.0-beta.24102.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>66c9c5397d599af40f2a94989241944f5a73442a</Sha>
+      <Sha>2fb543a45580400a559b5ae41c96a815ea14dac5</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.SwaggerGenerator.MSBuild" Version="9.0.0-beta.24076.5">
+    <Dependency Name="Microsoft.DotNet.SwaggerGenerator.MSBuild" Version="9.0.0-beta.24102.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>66c9c5397d599af40f2a94989241944f5a73442a</Sha>
+      <Sha>2fb543a45580400a559b5ae41c96a815ea14dac5</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.Maestro.Client" Version="1.1.0-beta.20074.1">
       <Uri>https://github.com/dotnet/arcade-services</Uri>
@@ -39,9 +39,9 @@
       <Uri>https://github.com/dotnet/xharness</Uri>
       <Sha>89cb4b1d368e0f15b4df8e02a176dd1f1c33958b</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XUnitExtensions" Version="9.0.0-beta.24076.5">
+    <Dependency Name="Microsoft.DotNet.XUnitExtensions" Version="9.0.0-beta.24102.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>66c9c5397d599af40f2a94989241944f5a73442a</Sha>
+      <Sha>2fb543a45580400a559b5ae41c96a815ea14dac5</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="3.8.0-3.20460.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
@@ -63,9 +63,9 @@
       <Uri>https://github.com/dotnet/symreader-converter</Uri>
       <Sha>c5ba7c88f92e2dde156c324a8c8edc04d9fa4fe0</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XliffTasks" Version="9.0.0-beta.24076.5">
+    <Dependency Name="Microsoft.DotNet.XliffTasks" Version="9.0.0-beta.24102.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>66c9c5397d599af40f2a94989241944f5a73442a</Sha>
+      <Sha>2fb543a45580400a559b5ae41c96a815ea14dac5</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 7ca64c3200..efa29bd4d6 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -81,7 +81,7 @@
     <DotNetRuntime80Version>8.0.1</DotNetRuntime80Version>
     <FluentAssertionVersion>5.10.2</FluentAssertionVersion>
     <MicrosoftCodeAnalysisTestingVersion>1.1.2-beta1.23431.1</MicrosoftCodeAnalysisTestingVersion>
-    <MicrosoftDotNetXUnitExtensionsVersion>9.0.0-beta.24076.5</MicrosoftDotNetXUnitExtensionsVersion>
+    <MicrosoftDotNetXUnitExtensionsVersion>9.0.0-beta.24102.4</MicrosoftDotNetXUnitExtensionsVersion>
     <MicrosoftExtensionsDependencyModelVersion>2.1.0</MicrosoftExtensionsDependencyModelVersion>
     <MicrosoftExtensionsTestVersion>3.0.1</MicrosoftExtensionsTestVersion>
     <MicrosoftMLOnnxTestModelsVersion>0.0.6-test</MicrosoftMLOnnxTestModelsVersion>
diff --git a/eng/common/sdk-task.ps1 b/eng/common/sdk-task.ps1
index 73828dd30d..091023970f 100644
--- a/eng/common/sdk-task.ps1
+++ b/eng/common/sdk-task.ps1
@@ -64,7 +64,7 @@ try {
       $GlobalJson.tools | Add-Member -Name "vs" -Value (ConvertFrom-Json "{ `"version`": `"16.5`" }") -MemberType NoteProperty
     }
     if( -not ($GlobalJson.tools.PSObject.Properties.Name -match "xcopy-msbuild" )) {
-      $GlobalJson.tools | Add-Member -Name "xcopy-msbuild" -Value "17.8.1-2" -MemberType NoteProperty
+      $GlobalJson.tools | Add-Member -Name "xcopy-msbuild" -Value "17.8.5" -MemberType NoteProperty
     }
     if ($GlobalJson.tools."xcopy-msbuild".Trim() -ine "none") {
         $xcopyMSBuildToolsFolder = InitializeXCopyMSBuild $GlobalJson.tools."xcopy-msbuild" -install $true
diff --git a/eng/common/templates/job/source-index-stage1.yml b/eng/common/templates/job/source-index-stage1.yml
index 7952336626..b5a3e5c4a6 100644
--- a/eng/common/templates/job/source-index-stage1.yml
+++ b/eng/common/templates/job/source-index-stage1.yml
@@ -1,6 +1,6 @@
 parameters:
   runAsPublic: false
-  sourceIndexPackageVersion: 1.0.1-20231213.4
+  sourceIndexPackageVersion: 1.0.1-20240129.2
   sourceIndexPackageSource: https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json
   sourceIndexBuildCommand: powershell -NoLogo -NoProfile -ExecutionPolicy Bypass -Command "eng/common/build.ps1 -restore -build -binarylog -ci"
   preSteps: []
diff --git a/eng/common/tools.ps1 b/eng/common/tools.ps1
index 0da65b5748..a8f8edb329 100644
--- a/eng/common/tools.ps1
+++ b/eng/common/tools.ps1
@@ -379,8 +379,8 @@ function InitializeVisualStudioMSBuild([bool]$install, [object]$vsRequirements =
 
   # If the version of msbuild is going to be xcopied,
   # use this version. Version matches a package here:
-  # https://dev.azure.com/dnceng/public/_artifacts/feed/dotnet-eng/NuGet/RoslynTools.MSBuild/versions/17.8.1-2
-  $defaultXCopyMSBuildVersion = '17.8.1-2'
+  # https://dev.azure.com/dnceng/public/_artifacts/feed/dotnet-eng/NuGet/RoslynTools.MSBuild/versions/17.8.5
+  $defaultXCopyMSBuildVersion = '17.8.5'
 
   if (!$vsRequirements) {
     if (Get-Member -InputObject $GlobalJson.tools -Name 'vs') {
diff --git a/global.json b/global.json
index b8101e33cd..b34f134587 100644
--- a/global.json
+++ b/global.json
@@ -13,8 +13,8 @@
     }
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.24076.5",
-    "Microsoft.DotNet.Helix.Sdk": "9.0.0-beta.24076.5",
+    "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.24102.4",
+    "Microsoft.DotNet.Helix.Sdk": "9.0.0-beta.24102.4",
     "Microsoft.Build.Traversal": "3.2.0",
     "Microsoft.SourceLink.GitHub": "1.1.0-beta-20206-02",
     "Microsoft.SourceLink.Common": "1.1.0-beta-20206-02"