diff --git a/tools/install/Extra/additional-files-to-sign.txt b/tools/install/Extra/additional-files-to-sign.txt
index e0f805abfde..297d63a83e2 100644
--- a/tools/install/Extra/additional-files-to-sign.txt
+++ b/tools/install/Extra/additional-files-to-sign.txt
@@ -11,6 +11,9 @@ LibG.Interface.dll
 ProtoGeometry.customization.dll
 ProtoGeometry.dll
 .\en-US\ProtoGeometry.resources.dll
+Python.Included.dll
+Python.Runtime.dll
+Dynamo.Microsoft.Xaml.Behaviors.dll
 
 .\libg_228_0_0\LibG.AsmPreloader.Managed.dll
 .\libg_228_0_0\LibG.AsmPreloader.Unmanaged.dll