diff --git a/.gitignore b/.gitignore
index afa5e2a..4babe24 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,9 @@ yarn.lock
 *.log
 logs/
 
+# NPMplus backups (backup-npmplus.sh — tarballs and extracted trees; may contain certs/DB)
+backups/npmplus/
+
 # OS files
 .DS_Store
 Thumbs.db