diff --git a/utils/build-windows-toolchain.bat b/utils/build-windows-toolchain.bat
index 08fa45cc322..c07c1d7ab37 100644
--- a/utils/build-windows-toolchain.bat
+++ b/utils/build-windows-toolchain.bat
@@ -62,7 +62,7 @@ set TMPDIR=%BuildRoot%\tmp
 set NINJA_STATUS=[%%f/%%t][%%p][%%es] 
 
 :: Build the -Test argument, if any, by subtracting skipped tests
-set TestsList=lld,lldb,lldb-swift,swift,dispatch,foundation,xctest,swift-format,sourcekit-lsp
+set TestsList=lld,lldb,lldb-swift,swift,dispatch,foundation,xctest,swift-format,sourcekit-lsp,swiftpm
 set "TestArg="
 set "Skip=,%SKIP_TESTS%,"
 for %%I in (%TestsList%) do (
diff --git a/utils/build.ps1 b/utils/build.ps1
index 91baf4b998e..75f6b1deb3b 100644
--- a/utils/build.ps1
+++ b/utils/build.ps1
@@ -4109,7 +4109,7 @@ function Test-PackageManager() {
   }
 
   Build-SPMProject `
-    -Action Test `
+    -Action TestParallel `
     -Src $SrcDir `
     -Bin "$BinaryCache\$($HostPlatform.Triple)\PackageManagerTests" `
     -Platform $HostPlatform `