diff --git a/.gitignore b/.gitignore
index ee5d7de4..c5dfd745 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,7 @@ ocrmypdf/version.py
 docs/_build/
 docs/_static/
 docs/_templates/
+docs/Makefile
 
 # Code coverage
 .coverage