diff --git a/Application/IsWiX/signing-catalog.txt b/Application/IsWiX/signing-catalog.txt
index f3d4e80..626c494 100644
--- a/Application/IsWiX/signing-catalog.txt
+++ b/Application/IsWiX/signing-catalog.txt
@@ -15,4 +15,5 @@ PropertiesDesigner.dll
 ServicesDesigner.dll
 ShortCutsDesigner.dll
 XmlDesignerCore.dll
+IsWiX.dll
 IsWiX.exe
\ No newline at end of file