diff --git a/.gitignore b/.gitignore
index ac6cd74a4d..2ee5d3a6a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 /repo/
 /repo
 /archive/
+/binary_transparency/
 /logs/
 /tmp/
 /builder/