diff --git a/tests/corelib/OWNERS b/tests/corelib/OWNERS
new file mode 100644
index 00000000000..a55afe625fd
--- /dev/null
+++ b/tests/corelib/OWNERS
@@ -0,0 +1,9 @@
+# Parent grants access to everybody so ignore that.
+set noparent
+
+# But we do still want to permit the last resort global approvers
+# defined at top level.
+file:/OWNERS
+
+# Owned by language team members.
+file:/tools/OWNERS_LANGUAGE