diff --git a/.gitignore b/.gitignore
index b0bb3f7e190cbf86e43dffa9397515473077d430..688cb4c32cebf7e1fb9fe6cced2ec94facfcece8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,4 @@ sage-plots-for-main.tex
 sagetex.sty
 .ipynb_checkpoints
 __pycache__
+*_files/