diff --git a/.gitignore b/.gitignore
index 3d34ac4..8ee672d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,7 @@ __pycache__/
 
 # dev
 dev_demo.py
+build_db.py
 
 # db inp
 *.db.inp