diff --git a/.gitignore b/.gitignore
index ed700bd..14cd118 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,5 +8,7 @@ _book
 *.html
 search_index.json
 libs
-visualize.md
 *.rds
+_main.*
+bookdown*
+tmp-pdfcrop-*