diff --git a/src/bin/pg_upgrade/t/001_basic.pl b/src/bin/pg_upgrade/t/001_basic.pl
index 40458f10b6..ceac4e0851 100644
--- a/src/bin/pg_upgrade/t/001_basic.pl
+++ b/src/bin/pg_upgrade/t/001_basic.pl
@@ -1,3 +1,5 @@
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
+
 use strict;
 use warnings;
 
diff --git a/src/bin/pg_upgrade/t/002_pg_upgrade.pl b/src/bin/pg_upgrade/t/002_pg_upgrade.pl
index 90669f3c6d..4a7895a756 100644
--- a/src/bin/pg_upgrade/t/002_pg_upgrade.pl
+++ b/src/bin/pg_upgrade/t/002_pg_upgrade.pl
@@ -1,3 +1,5 @@
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
+
 # Set of tests for pg_upgrade, including cross-version checks.
 use strict;
 use warnings;