diff --git a/utils/build.ps1 b/utils/build.ps1
index 7af303319f8e2..13654f9b09643 100644
--- a/utils/build.ps1
+++ b/utils/build.ps1
@@ -669,11 +669,11 @@ function Fetch-Dependencies {
     Write-Output "Extracting '$ToolchainName' ..."
 
     # The new runtime MSI is built to expand files into the immediate directory. So, setup the installation location.
-    New-Item -ItemType Directory -ErrorAction Ignore $BinaryCache\toolchains\$PinnedToolchain\LocalApp\Programs\Swift\Runtimes\0.0.0\usr\bin | Out-Null
+    New-Item -ItemType Directory -ErrorAction Ignore $BinaryCache\toolchains\$PinnedToolchain\LocalApp\Programs\Swift\Runtimes\$(Get-PinnedToolchainVersion)\usr\bin | Out-Null
     Invoke-Program $BinaryCache\WiX-$WiXVersion\tools\net6.0\any\wix.exe -- burn extract $BinaryCache\$ToolchainName.exe -out $BinaryCache\toolchains\ -outba $BinaryCache\toolchains\
     Get-ChildItem "$BinaryCache\toolchains\WixAttachedContainer" -Filter "*.msi" | % {
       $LogFile = [System.IO.Path]::ChangeExtension($_.Name, "log")
-      $TARGETDIR = if ($_.Name -eq "rtl.msi") { "$BinaryCache\toolchains\$ToolchainName\LocalApp\Programs\Swift\Runtimes\5.10.1\usr\bin" } else { "$BinaryCache\toolchains\$ToolchainName" }
+      $TARGETDIR = if ($_.Name -eq "rtl.msi") { "$BinaryCache\toolchains\$ToolchainName\LocalApp\Programs\Swift\Runtimes\$(Get-PinnedToolchainVersion)\usr\bin" } else { "$BinaryCache\toolchains\$ToolchainName" }
     Invoke-Program -OutNull msiexec.exe /lvx! $BinaryCache\toolchains\$LogFile /qn /a $BinaryCache\toolchains\WixAttachedContainer\$_ ALLUSERS=0 TARGETDIR=$TARGETDIR
     }
   }
@@ -750,22 +750,22 @@ function Fetch-Dependencies {
 }
 
 function Get-PinnedToolchainTool() {
-  if (Test-Path "$BinaryCache\toolchains\${PinnedToolchain}\LocalApp\Programs\Swift\Toolchains\5.10.1+Asserts\usr\bin") {
-    return "$BinaryCache\toolchains\${PinnedToolchain}\LocalApp\Programs\Swift\Toolchains\5.10.1+Asserts\usr\bin"
+  if (Test-Path "$BinaryCache\toolchains\${PinnedToolchain}\LocalApp\Programs\Swift\Toolchains\$(Get-PinnedToolchainVersion)+Asserts\usr\bin") {
+    return "$BinaryCache\toolchains\${PinnedToolchain}\LocalApp\Programs\Swift\Toolchains\$(Get-PinnedToolchainVersion)+Asserts\usr\bin"
   }
   return "$BinaryCache\toolchains\${PinnedToolchain}\Library\Developer\Toolchains\unknown-Asserts-development.xctoolchain\usr\bin"
 }
 
 function Get-PinnedToolchainSDK() {
-  if (Test-Path "$BinaryCache\toolchains\${PinnedToolchain}\LocalApp\Programs\Swift\Platforms\5.10.1\Windows.platform\Developer\SDKs\Windows.sdk") {
-    return "$BinaryCache\toolchains\${PinnedToolchain}\LocalApp\Programs\Swift\Platforms\5.10.1\Windows.platform\Developer\SDKs\Windows.sdk"
+  if (Test-Path "$BinaryCache\toolchains\${PinnedToolchain}\LocalApp\Programs\Swift\Platforms\$(Get-PinnedToolchainVersion)\Windows.platform\Developer\SDKs\Windows.sdk") {
+    return "$BinaryCache\toolchains\${PinnedToolchain}\LocalApp\Programs\Swift\Platforms\$(Get-PinnedToolchainVersion)\Windows.platform\Developer\SDKs\Windows.sdk"
   }
   return "$BinaryCache\toolchains\${PinnedToolchain}\Library\Developer\Platforms\Windows.platform\Developer\SDKs\Windows.sdk"
 }
 
 function Get-PinnedToolchainRuntime() {
-  if (Test-Path "$BinaryCache\toolchains\${PinnedToolchain}\LocalApp\Programs\Swift\Runtimes\5.10.1\usr\bin\swiftCore.dll") {
-    return "$BinaryCache\toolchains\${PinnedToolchain}\LocalApp\Programs\Swift\Runtimes\5.10.1\usr\bin"
+  if (Test-Path "$BinaryCache\toolchains\${PinnedToolchain}\LocalApp\Programs\Swift\Runtimes\$(Get-PinnedToolchainVersion)\usr\bin\swiftCore.dll") {
+    return "$BinaryCache\toolchains\${PinnedToolchain}\LocalApp\Programs\Swift\Runtimes\$(Get-PinnedToolchainVersion)\usr\bin"
   }
   return "$BinaryCache\toolchains\${PinnedToolchain}\PFiles64\Swift\runtime-development\usr\bin"
 }
@@ -774,7 +774,7 @@ function Get-PinnedToolchainVersion() {
   if (Test-Path variable:PinnedVersion) {
     return $PinnedVersion
   }
-  return "5.10.1"
+  throw "PinnedVersion must be set"
 }
 
 function TryAdd-KeyValue([hashtable]$Hashtable, [string]$Key, [string]$Value) {