diff --git a/.gitignore b/.gitignore
index 9a2bd905f..79af36c29 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@
 /.nyc_output
 /coverage
 /src/**/*.js
+/index.js
 /.idea
 /examples/**/package-lock.json
 /examples/**/result.json