diff --git a/.gitignore b/.gitignore
index 4e8485a390f..f5156586012 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,6 +30,7 @@ doc/samples
 doc/latex
 doc/themes/zephyr-docs-theme
 sanity-out*
+bsim_bt_out
 scripts/grub
 doc/reference/kconfig/*.rst
 doc/doc.warnings