1 files changed, 2 insertions, 2 deletions

diff --git a/src/WixToolset.Core/HeatCore.cs b/src/WixToolset.Core/HeatCore.cs
index 01233c40..2384a1ed 100644
--- a/src/WixToolset.Core/HeatCore.cs
+++ b/src/WixToolset.Core/HeatCore.cs
@@ -1,9 +1,9 @@
 // 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.Tools
+namespace WixToolset.Core
 {
+    using WixToolset.Core.Extensibility;
     using WixToolset.Data;
-    using WixToolset.Extensibility;
 
     /// <summary>
     /// The WiX Toolset Harvester application core.