diff --git a/package-overrides/github/jashkenas/backbone@1.1.0.json b/package-overrides/github/jashkenas/backbone@1.1.0.json
index 730110a..4875d42 100644
--- a/package-overrides/github/jashkenas/backbone@1.1.0.json
+++ b/package-overrides/github/jashkenas/backbone@1.1.0.json
@@ -5,5 +5,6 @@
       "imports": ["npm:underscore@1.5"],
       "exports": "Backbone"
     }
-  }
+  },
+  "files": ["backbone.js"]
 }