diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 5f3afe20ee6..1294824b2e5 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -3,9 +3,9 @@
   <ProductDependencies>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="1.0.0-beta.19266.4">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="1.0.0-beta.19267.7">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>61cc7d4d347300835925ce5245bfc3ecb6b621d7</Sha>
+      <Sha>55ce2900743cb609e51e2c6487e87e42eb627880</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/common/build.ps1 b/eng/common/build.ps1
index d7e3799ebd9..67046a43f8c 100644
--- a/eng/common/build.ps1
+++ b/eng/common/build.ps1
@@ -1,6 +1,7 @@
 [CmdletBinding(PositionalBinding=$false)]
 Param(
   [string][Alias('c')]$configuration = "Debug",
+  [string]$platform = $null,
   [string] $projects,
   [string][Alias('v')]$verbosity = "minimal",
   [string] $msbuildEngine = $null,
@@ -29,6 +30,7 @@ Param(
 function Print-Usage() {
     Write-Host "Common settings:"
     Write-Host "  -configuration <value>  Build configuration: 'Debug' or 'Release' (short: -c)"
+    Write-Host "  -platform <value>       Platform configuration: 'x86', 'x64' or any valid Platform value to pass to msbuild"
     Write-Host "  -verbosity <value>      Msbuild verbosity: q[uiet], m[inimal], n[ormal], d[etailed], and diag[nostic] (short: -v)"
     Write-Host "  -binaryLog              Output binary log (short: -bl)"
     Write-Host "  -help                   Print help and exit"
@@ -77,6 +79,7 @@ function Build {
   InitializeCustomToolset
 
   $bl = if ($binaryLog) { "/bl:" + (Join-Path $LogDir "Build.binlog") } else { "" }
+  $platformArg = if ($platform) { "/p:Platform=$platform" } else { "" }
 
   if ($projects) {
     # Re-assign properties to a new variable because PowerShell doesn't let us append properties directly for unclear reasons.
@@ -88,6 +91,7 @@ function Build {
 
   MSBuild $toolsetBuildProj `
     $bl `
+    $platformArg `
     /p:Configuration=$configuration `
     /p:RepoRoot=$RepoRoot `
     /p:Restore=$restore `
diff --git a/eng/common/dotnet-install.ps1 b/eng/common/dotnet-install.ps1
index 5987943fd6f..0b629b8301a 100644
--- a/eng/common/dotnet-install.ps1
+++ b/eng/common/dotnet-install.ps1
@@ -8,9 +8,14 @@ Param(
 
 . $PSScriptRoot\tools.ps1
 
+$dotnetRoot = Join-Path $RepoRoot ".dotnet"
+
+$installdir = $dotnetRoot
 try {
-  $dotnetRoot = Join-Path $RepoRoot ".dotnet"
-  InstallDotNet $dotnetRoot $version $architecture $runtime $true
+    if ($architecture -and $architecture.Trim() -eq "x86") {
+        $installdir = Join-Path $installdir "x86"
+    }
+   InstallDotNet $installdir $version $architecture $runtime $true
 } 
 catch {
   Write-Host $_
@@ -19,4 +24,4 @@ catch {
   ExitWithExitCode 1
 }
 
-ExitWithExitCode 0
\ No newline at end of file
+ExitWithExitCode 0
diff --git a/global.json b/global.json
index 68027a11da2..1a7c681c39c 100644
--- a/global.json
+++ b/global.json
@@ -5,6 +5,6 @@
     }
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "1.0.0-beta.19266.4"
+    "Microsoft.DotNet.Arcade.Sdk": "1.0.0-beta.19267.7"
   }
 }