diff --git a/.gitignore b/.gitignore
index 982a95e7..90038f1d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,6 +19,7 @@
 /third_party/linux/.cipd
 /third_party/linux/clang
 /third_party/linux/sysroot
+/third_party/lss/lss
 /third_party/gyp/gyp
 /third_party/mini_chromium/mini_chromium
 /third_party/zlib/zlib