diff --git a/.upgrade.yml b/.upgrade.yml
index d01b13da..e9039eb2 100644
--- a/.upgrade.yml
+++ b/.upgrade.yml
@@ -76,3 +76,5 @@ mappings:
   URLSegmentField: SilverStripe\CMS\Forms\SiteTreeURLSegmentField
   CMSPagesController_Tools_ss: SilverStripe\CMS\Controllers\CMSPagesController
   LeftAndMain: SilverStripe\Admin\LeftAndMain
+excludedPaths:
+  - '*/_config/legacy.yml'