1 files changed, 2 insertions, 2 deletions

diff --git a/src/WixToolset.Core/IPreprocessor.cs b/src/WixToolset.Core/IPreprocessor.cs
index 946d8cc2..d892399c 100644
--- a/src/WixToolset.Core/IPreprocessor.cs
+++ b/src/WixToolset.Core/IPreprocessor.cs
@@ -1,4 +1,4 @@
-// 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.
+// 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.
 
 namespace WixToolset.Core
 {
@@ -6,7 +6,7 @@ namespace WixToolset.Core
     using System.Xml.Linq;
     using WixToolset.Extensibility.Data;
 
-    internal interface IPreprocessor
+    public interface IPreprocessor
     {
         XDocument Preprocess(IPreprocessContext context);