1 files changed, 4 insertions, 1 deletions

diff --git a/src/ext/PowerShell/test/WixToolsetTest.PowerShell/PowerShellExtensionFixture.cs b/src/ext/PowerShell/test/WixToolsetTest.PowerShell/PowerShellExtensionFixture.cs
index a1dc3282..31090bf6 100644
--- a/src/ext/PowerShell/test/WixToolsetTest.PowerShell/PowerShellExtensionFixture.cs
+++ b/src/ext/PowerShell/test/WixToolsetTest.PowerShell/PowerShellExtensionFixture.cs
@@ -1,8 +1,11 @@
 // Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
 
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+[assembly: Parallelize(Scope = ExecutionScope.MethodLevel)]
+
 namespace WixToolsetTest.PowerShell
 {
-    using Microsoft.VisualStudio.TestTools.UnitTesting;
     using WixInternal.MSTestSupport;
     using WixInternal.Core.MSTestPackage;
     using WixToolset.PowerShell;