diff --git a/.gitignore b/.gitignore
index 9dfba80df91..fe76418bf60 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,6 +37,7 @@ doc/latex
 doc/themes/zephyr-docs-theme
 sanity-out*
 twister-out*
+bsim_out
 bsim_bt_out
 scripts/grub
 doc/reference/kconfig/*.rst