diff --git a/.gitignore b/.gitignore
index b0d1206..6aadba1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ __pycache__/
 *.pyc
 *.tmp
 RESULTS-harness.md.tmp
+RESULTS-campaign.md.data.hdr