diff --git a/contrib/debian/source/local-options b/contrib/debian/source/local-options
new file mode 100644
index 000000000..e01d8cdac
--- /dev/null
+++ b/contrib/debian/source/local-options
@@ -0,0 +1,3 @@
+# The vendor tarball drops a new version of .cargo/config into place. Representing this as a patch
+# in automated workflows is tricky, so for our purposes auto-commit is fine.
+auto-commit