diff --git a/editors/demo/.gitignore b/editors/demo/.gitignore
index 4d29575de80483b005c29bfcac5061cd2f45313e..680c9043bb6eea96e57c1ede8b614b4bcc19de98 100644
--- a/editors/demo/.gitignore
+++ b/editors/demo/.gitignore
@@ -21,3 +21,4 @@
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+package-lock.json