diff --git a/PowerShellEditorServices.build.ps1 b/PowerShellEditorServices.build.ps1
index 9e98a1445..d2a2169d1 100644
--- a/PowerShellEditorServices.build.ps1
+++ b/PowerShellEditorServices.build.ps1
@@ -29,7 +29,9 @@ $script:dotnetTestArgs = @(
 )
 
 $script:IsNix = $IsLinux -or $IsMacOS
-$script:IsRosetta = $IsMacOS -and (sysctl -n sysctl.proc_translated) -eq 1 # Mac M1
+# For Apple M1, pwsh might be getting emulated, in which case we need to check
+# for the proc_translated flag, otherwise we can check the architecture.
+$script:IsAppleM1 = $IsMacOS -and ((sysctl -n sysctl.proc_translated) -eq 1 -or (uname -m) -eq "arm64")
 $script:BuildInfoPath = [System.IO.Path]::Combine($PSScriptRoot, "src", "PowerShellEditorServices.Hosting", "BuildInfo.cs")
 $script:PsesCommonProps = [xml](Get-Content -Raw "$PSScriptRoot/PowerShellEditorServices.Common.props")
 
@@ -110,8 +112,12 @@ task SetupDotNet -Before Clean, Build, TestServerWinPS, TestServerPS7, TestServe
 
     if (!(Test-Path $dotnetExePath)) {
         # TODO: Test .NET 5 with PowerShell 7.1
+        #
+        # We use the .NET 6 SDK, so we always install it and its runtime.
         Install-Dotnet -Channel '6.0' # SDK and runtime
-        Install-Dotnet -Channel '3.1','5.0' -Runtime # Runtime only
+        # Anywhere other than on a Mac with an M1 processor, we additionally
+        # install the .NET 3.1 and 5.0 runtimes (but not their SDKs).
+        if (!$script:IsAppleM1) { Install-Dotnet -Channel '3.1','5.0' -Runtime }
     }
 
     # This variable is used internally by 'dotnet' to know where it's installed
@@ -235,7 +241,7 @@ task TestServerWinPS -If (-not $script:IsNix) {
     exec { & $script:dotnetExe $script:dotnetTestArgs $script:NetRuntime.Desktop }
 }
 
-task TestServerPS7 -If (-not $script:IsRosetta) {
+task TestServerPS7 -If (-not $script:IsAppleM1) {
     Set-Location .\test\PowerShellEditorServices.Test\
     exec { & $script:dotnetExe $script:dotnetTestArgs $script:NetRuntime.PS7 }
 }
@@ -249,7 +255,7 @@ task TestE2E {
     Set-Location .\test\PowerShellEditorServices.Test.E2E\
 
     $env:PWSH_EXE_NAME = if ($IsCoreCLR) { "pwsh" } else { "powershell" }
-    $NetRuntime = if ($IsRosetta) { $script:NetRuntime.PS72 } else { $script:NetRuntime.PS7 }
+    $NetRuntime = if ($IsAppleM1) { $script:NetRuntime.PS72 } else { $script:NetRuntime.PS7 }
     exec { & $script:dotnetExe $script:dotnetTestArgs $NetRuntime }
 
     # Run E2E tests in ConstrainedLanguage mode.
diff --git a/test/PowerShellEditorServices.Test/PowerShellEditorServices.Test.csproj b/test/PowerShellEditorServices.Test/PowerShellEditorServices.Test.csproj
index fce802137..956dc796e 100644
--- a/test/PowerShellEditorServices.Test/PowerShellEditorServices.Test.csproj
+++ b/test/PowerShellEditorServices.Test/PowerShellEditorServices.Test.csproj
@@ -17,12 +17,14 @@
     <ProjectReference Include="..\PowerShellEditorServices.Test.Shared\PowerShellEditorServices.Test.Shared.csproj" />
   </ItemGroup>
 
+  <!-- This is for testing PowerShell 7.2 LTS -->
   <ItemGroup Condition=" '$(TargetFramework)' == 'net6.0' ">
-    <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.2.0-preview.3" />
+    <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.2.0" />
   </ItemGroup>
 
+  <!-- This is for testing PowerShell 7.0 LTS -->
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp3.1' ">
-    <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.0.6" />
+    <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.0.8" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">