diff --git a/.gitignore b/.gitignore
index b60ce8f..e9a7a0d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@ nk.bin
 image/sd*.img
 *.exe
 image/work
+buildroot_output
 
 # Created by https://www.toptal.com/developers/gitignore/api/macos,linux,windows
 # Edit at https://www.toptal.com/developers/gitignore?templates=macos,linux,windows