diff --git a/.gitignore b/.gitignore
index 0617424..7bd9b50 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@ hblink.cfg
 hb_routing_rules.py
 hb_confbridge_rules.py
 hb_bridge_all_rules.py
+*.csv
 *.config
 *.json
 *.pickle