diff --git a/.gitignore b/.gitignore
index b6beeef830c65ae3f09af22a3f8a3497ecdc8c26..19df17731c78f1a56e8dc6197a1cb1b675dfecf6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -50,3 +50,8 @@ node_modules
 *.toc
 *.out
 *.nav
+auto
+
+# bundle
+.bundle
+vendor