diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 26dcec672ba..47db8b13f19 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -67,17 +67,17 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="9.0.0-beta.26429.3">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="9.0.0-beta.26431.8">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>df7cbf719bdc6a2e6dfc229542a53bf28a8d5180</Sha>
+      <Sha>ee364d8268f86d6a2ab859f6cc82ca6f9d20b31c</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Templating" Version="9.0.0-beta.26429.3">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Templating" Version="9.0.0-beta.26431.8">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>df7cbf719bdc6a2e6dfc229542a53bf28a8d5180</Sha>
+      <Sha>ee364d8268f86d6a2ab859f6cc82ca6f9d20b31c</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="9.0.0-beta.26429.3">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="9.0.0-beta.26431.8">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>df7cbf719bdc6a2e6dfc229542a53bf28a8d5180</Sha>
+      <Sha>ee364d8268f86d6a2ab859f6cc82ca6f9d20b31c</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 944fa4616b6..7f1718b997d 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -34,7 +34,7 @@
     <SystemFormatsAsn1Version>9.0.19</SystemFormatsAsn1Version>
   </PropertyGroup>
   <PropertyGroup Label="Dependencies from dotnet/arcade">
-    <MicrosoftDotNetBuildTasksTemplatingVersion>9.0.0-beta.26429.3</MicrosoftDotNetBuildTasksTemplatingVersion>
+    <MicrosoftDotNetBuildTasksTemplatingVersion>9.0.0-beta.26431.8</MicrosoftDotNetBuildTasksTemplatingVersion>
   </PropertyGroup>
   <PropertyGroup Label="Other dependencies">
     <MicrosoftBuildFrameworkVersion>17.8.43</MicrosoftBuildFrameworkVersion>
diff --git a/eng/common/Get-GitHubAppToken.ps1 b/eng/common/Get-GitHubAppToken.ps1
index 9c7e3dcd6ac..ea776bd6bc2 100644
--- a/eng/common/Get-GitHubAppToken.ps1
+++ b/eng/common/Get-GitHubAppToken.ps1
@@ -110,19 +110,20 @@ $headers = @{
 
 Write-Host "Looking up installation for '$InstallationOwner'..."
 try {
-    $installations = @()
+    $installations = [System.Collections.Generic.List[object]]::new()
     $page = 1
     do {
-        # Assign the response before wrapping it in @(). PowerShell otherwise
-        # preserves a top-level JSON array as one nested pipeline object.
         $pageResponse = Invoke-RestMethod `
             -Uri "https://api.github.com/app/installations?per_page=100&page=$page" `
             -Headers $headers `
             -Method Get
-        $pageInstallations = @($pageResponse)
-        $installations += $pageInstallations
+        $pageInstallationCount = 0
+        foreach ($installation in $pageResponse) {
+            $installations.Add($installation)
+            $pageInstallationCount++
+        }
         $page++
-    } while ($pageInstallations.Count -eq 100)
+    } while ($pageInstallationCount -eq 100)
 }
 catch {
     Write-PipelineTelemetryError -Category 'Build' -Message "Failed to list GitHub App installations: $_. The signed JWT may be invalid or the App's Client ID ('$AppClientId') may be incorrect."
diff --git a/global.json b/global.json
index a55bef5a17d..6cb3433ae87 100644
--- a/global.json
+++ b/global.json
@@ -13,7 +13,7 @@
     }
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.26429.3",
-    "Microsoft.DotNet.Helix.Sdk": "9.0.0-beta.26429.3"
+    "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.26431.8",
+    "Microsoft.DotNet.Helix.Sdk": "9.0.0-beta.26431.8"
   }
 }