diff --git a/.gitignore b/.gitignore
index e41e431a28a..9bf7b1e6a0e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,6 +32,7 @@ doc/samples
 doc/latex
 doc/themes/zephyr-docs-theme
 sanity-out*
+twister-out*
 bsim_bt_out
 scripts/grub
 doc/reference/kconfig/*.rst