diff --git a/OWNERS b/OWNERS
index 8a1cc34baf..5c7f5adff2 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,4 +1,8 @@
 include platform/build/soong:/OWNERS
 
+# Since this file affects all Android developers, lock it down. There is still
+# round the world timzeone coverage.
+per-file envsetup.sh = joeo@google.com, jingwen@google.com, lberki@google.com
+
 # Finalization scripts
 per-file finalize* = smoreland@google.com, alexbuy@google.com