diff --git a/.gitignore b/.gitignore
index 7a5d327..3d768c0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,7 +40,11 @@ proof-of-work/prisma/dev.db
 proof-of-work/prisma/data/*.db
 !proof-of-work/prisma/data/.keep
 
-# Live data snapshot pulled off the running 0.3.5 host — contains real
-# workout history. Stays on disk so the maintainer can rebuild the seeded
-# cutover image, but MUST never be committed to a public repo.
+# Live data snapshot pulled off the running host — contains real
+# workout history. Stays on disk so the maintainer can rebuild the
+# cutover image, but MUST never be committed to a public repo. Also
+# matches *.db.bak (refresh_seed and manual cutover both produce
+# .bak rollback files alongside the live snapshot).
 start9/*/seed/data/*.db
+start9/*/seed/data/*.db.bak
+start9/*/seed/data/*.bak