diff --git a/base/OWNERS b/base/OWNERS
index 6de5db7..9f34eac 100644
--- a/base/OWNERS
+++ b/base/OWNERS
@@ -12,6 +12,11 @@
 thestig@chromium.org
 wez@chromium.org
 
+# per-file rules:
+# These are for the common case of adding or renaming files. If you're doing
+# structural changes, please get a review from a reviewer in this file.
+per-file BUILD.gn=*
+
 # For Android-specific changes:
 per-file *android*=file://base/android/OWNERS
 per-file BUILD.gn=file://base/android/OWNERS