diff --git a/backend/.gitignore b/backend/.gitignore
index 76e3322..e3046a5 100644
--- a/backend/.gitignore
+++ b/backend/.gitignore
@@ -3,3 +3,7 @@ dist
 coverage
 .env
 *.log
+
+# Firebase service account (secret)
+serviceAccount.json
+*.serviceAccount.json