diff --git a/.gitignore b/.gitignore
index 9101b2f..e06db65 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,7 @@
 *.old
 **/package-lock.json
 **/*.parquet
+**/_build/
 
 paper/src/bib/auto
 experiments/airflow/logs/*
@@ -20,4 +21,4 @@ sim/rl/behavior_loader/*.dot
 sim/rl/behavior_loader/*.png
 sim/rl/behavior_loader/*.svg
 sim/rl/behavior_loader/*.pdf
-tests/e2e/node_modules/**
+tests/e2e/node_modules/**
\ No newline at end of file