diff --git a/.gitignore b/.gitignore
index 4c74601..f748e11 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,7 @@ Thumbs.db
 *.swp
 *.swo
 *~
+
+# Previous .env kept by the key rotator (traefik-key-receive) for rollback.
+.env.pre-rotate
+*.bak-*