diff --git a/tools/filelistdiff/OWNERS b/tools/filelistdiff/OWNERS
new file mode 100644
index 0000000..690fb17
--- /dev/null
+++ b/tools/filelistdiff/OWNERS
@@ -0,0 +1 @@
+per-file allowlist = justinyun@google.com, jeongik@google.com, kiyoungkim@google.com, inseob@google.com