diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 0955822f8b..b1aed568e3 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="6.0.0-beta.21105.5">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="6.0.0-beta.21105.12">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>fc83e59329203724d4a63c4f6c843be62983a35e</Sha>
+      <Sha>938b3e8b4edcd96ca0f0cbbae63c87b3f51f7afe</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/common/tools.ps1 b/eng/common/tools.ps1
index 10e98593e0..572da3b9f1 100644
--- a/eng/common/tools.ps1
+++ b/eng/common/tools.ps1
@@ -508,7 +508,7 @@ function InitializeBuildTool() {
       ExitWithExitCode 1
     }
     $dotnetPath = Join-Path $dotnetRoot (GetExecutableFileName 'dotnet')
-    $buildTool = @{ Path = $dotnetPath; Command = 'msbuild'; Tool = 'dotnet'; Framework = 'netcoreapp2.1' }
+    $buildTool = @{ Path = $dotnetPath; Command = 'msbuild'; Tool = 'dotnet'; Framework = 'netcoreapp3.1' }
   } elseif ($msbuildEngine -eq "vs") {
     try {
       $msbuildPath = InitializeVisualStudioMSBuild -install:$restore
@@ -644,13 +644,26 @@ function MSBuild() {
     }
 
     $toolsetBuildProject = InitializeToolset
-    $path = Split-Path -parent $toolsetBuildProject
-    $path = Join-Path $path (Join-Path $buildTool.Framework 'Microsoft.DotNet.ArcadeLogging.dll')
-    if (-not (Test-Path $path)) {
-      $path = Split-Path -parent $toolsetBuildProject
-      $path = Join-Path $path (Join-Path $buildTool.Framework 'Microsoft.DotNet.Arcade.Sdk.dll')
+    $basePath = Split-Path -parent $toolsetBuildProject
+    $possiblePaths = @(
+      # new scripts need to work with old packages, so we need to look for the old names/versions
+      (Join-Path $basePath (Join-Path $buildTool.Framework 'Microsoft.DotNet.ArcadeLogging.dll')),
+      (Join-Path $basePath (Join-Path $buildTool.Framework 'Microsoft.DotNet.Arcade.Sdk.dll')),
+      (Join-Path $basePath (Join-Path netcoreapp2.1 'Microsoft.DotNet.ArcadeLogging.dll')),
+      (Join-Path $basePath (Join-Path netcoreapp2.1 'Microsoft.DotNet.Arcade.Sdk.dll'))
+    )
+    $selectedPath = $null
+    foreach ($path in $possiblePaths) {
+      if (Test-Path $path -PathType Leaf) {
+        $selectedPath = $path
+        break
+      }
+    }
+    if (-not $selectedPath) {
+      Write-PipelineTelemetryError -Category 'Build' -Message 'Unable to find arcade sdk logger assembly.'
+      ExitWithExitCode 1
     }
-    $args += "/logger:$path"
+    $args += "/logger:$selectedPath"
   }
 
   MSBuild-Core @args
diff --git a/eng/common/tools.sh b/eng/common/tools.sh
index 0920f5965b..9019b7f5cc 100755
--- a/eng/common/tools.sh
+++ b/eng/common/tools.sh
@@ -307,7 +307,7 @@ function InitializeBuildTool {
   # return values
   _InitializeBuildTool="$_InitializeDotNetCli/dotnet"
   _InitializeBuildToolCommand="msbuild"
-  _InitializeBuildToolFramework="netcoreapp2.1"
+  _InitializeBuildToolFramework="netcoreapp3.1"
 }
 
 # Set RestoreNoCache as a workaround for https://github.com/NuGet/Home/issues/3116
@@ -414,11 +414,24 @@ function MSBuild {
     fi
 
     local toolset_dir="${_InitializeToolset%/*}"
-    local logger_path="$toolset_dir/$_InitializeBuildToolFramework/Microsoft.DotNet.ArcadeLogging.dll"
-    if [[ ! -f $logger_path ]]; then
-      logger_path="$toolset_dir/$_InitializeBuildToolFramework/Microsoft.DotNet.Arcade.Sdk.dll"
+    # new scripts need to work with old packages, so we need to look for the old names/versions
+    local selectedPath=
+    local possiblePaths=()
+    possiblePaths+=( "$toolset_dir/$_InitializeBuildToolFramework/Microsoft.DotNet.ArcadeLogging.dll" )
+    possiblePaths+=( "$toolset_dir/$_InitializeBuildToolFramework/Microsoft.DotNet.Arcade.Sdk.dll" )
+    possiblePaths+=( "$toolset_dir/netcoreapp2.1/Microsoft.DotNet.ArcadeLogging.dll" )
+    possiblePaths+=( "$toolset_dir/netcoreapp2.1/Microsoft.DotNet.Arcade.Sdk.dll" )
+    for path in "${possiblePaths[@]}"; do
+      if [[ -f $path ]]; then
+        selectedPath=$path
+        break
+      fi
+    done
+    if [[ -z "$selectedPath" ]]; then
+      Write-PipelineTelemetryError -category 'Build'  "Unable to find arcade sdk logger assembly."
+      ExitWithExitCode 1
     fi
-    args=( "${args[@]}" "-logger:$logger_path" )
+    args+=( "-logger:$selectedPath" )
   fi
 
   MSBuild-Core ${args[@]}
diff --git a/global.json b/global.json
index 8c724895a6..81f59e5518 100644
--- a/global.json
+++ b/global.json
@@ -17,6 +17,6 @@
     "xcopy-msbuild": "16.8.0-preview2.1"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "6.0.0-beta.21105.5"
+    "Microsoft.DotNet.Arcade.Sdk": "6.0.0-beta.21105.12"
   }
 }