diff --git a/.gitignore b/.gitignore
index 4b9fd285..bd328f1b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,9 @@ docs/language/_build/
 docs/storage/_build/
 docs/general/_build
 
+# Autogenerated Sphinx sources
+docs/format/source/_format_auto_docs/
+
 # Jupyter Notebook
 .ipynb_checkpoints