diff --git a/.gitignore b/.gitignore
index e335f5c..4299ff6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@ __pycache__/
 *.png
 *.pdf
 ./clean_python/run*
+./clean_python/old*
 # C extensions
 *.so