1 files changed, 1 insertions, 1 deletions

diff --git a/src/WixToolset.Core/Harvester.cs b/src/WixToolset.Core/Harvester.cs
index b9c27418..55d56e64 100644
--- a/src/WixToolset.Core/Harvester.cs
+++ b/src/WixToolset.Core/Harvester.cs
@@ -11,7 +11,7 @@ namespace WixToolset
     /// <summary>
     /// The WiX Toolset harvester.
     /// </summary>
-    public sealed class Harvester
+    public class Harvester
     {
         private HarvesterExtension harvesterExtension;