diff --git a/auth/docker/.gitignore b/auth/docker/.gitignore
index 8aa2685..d3c3ab6 100644
--- a/auth/docker/.gitignore
+++ b/auth/docker/.gitignore
@@ -1,5 +1,6 @@
 /local
 /d.props
+/d.props.bak
 /aaf.props
 /cass.props
 /policy*