Issue #28402: Adds signed catalog files for stdlib on Windows.
diff --git a/Tools/msi/tools/tools.wixproj b/Tools/msi/tools/tools.wixproj
index f43cf33..b7fc41e 100644
--- a/Tools/msi/tools/tools.wixproj
+++ b/Tools/msi/tools/tools.wixproj
@@ -36,6 +36,7 @@
                 <TargetBase>$(PySourcePath)</TargetBase>
                 <Target_></Target_>
                 <Group>tools_py</Group>
+                <IncludeInCat>true</IncludeInCat>
         </InstallFiles>
     </ItemGroup>