diff --git a/services/document-updater/.gitignore b/services/document-updater/.gitignore
index ad21f261b4..df0820fb06 100644
--- a/services/document-updater/.gitignore
+++ b/services/document-updater/.gitignore
@@ -39,6 +39,7 @@ Thumbs.db
 
 app.js
 app/js/*
+app.map
 
 test/unit/js/*
 test/acceptance/js/*