diff --git a/.gitignore b/.gitignore
index a0aefa2..27a4712 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,6 @@ Thumbs.db
 # Secrets
 .env
 *.env.local
+
+# Local reference copy of the published Anker Modbus map artifact
+anker-modbus-map.html