diff --git a/firmware/cpld/sgpio_if/top.ucf b/firmware/cpld/sgpio_if/top.ucf
index 94d9ab88..c0be744d 100755
--- a/firmware/cpld/sgpio_if/top.ucf
+++ b/firmware/cpld/sgpio_if/top.ucf
@@ -1,4 +1,5 @@
 #
+# Copyright 2012-2022 Great Scott Gadgets <info@greatscottgadgets.com>
 # Copyright 2012 Jared Boone
 #
 # This file is part of HackRF.
diff --git a/firmware/cpld/sgpio_if/top.vhd b/firmware/cpld/sgpio_if/top.vhd
index f6e0fa37..92ac5fd5 100755
--- a/firmware/cpld/sgpio_if/top.vhd
+++ b/firmware/cpld/sgpio_if/top.vhd
@@ -1,4 +1,5 @@
 --
+-- Copyright 2012-2022 Great Scott Gadgets <info@greatscottgadgets.com>
 -- Copyright 2012 Jared Boone
 -- Copyright 2013 Benjamin Vernoux
 --
diff --git a/firmware/cpld/sgpio_if/top_tb.vhd b/firmware/cpld/sgpio_if/top_tb.vhd
index 73a3648b..e02f970d 100755
--- a/firmware/cpld/sgpio_if/top_tb.vhd
+++ b/firmware/cpld/sgpio_if/top_tb.vhd
@@ -1,4 +1,5 @@
 --
+-- Copyright 2012-2022 Great Scott Gadgets <info@greatscottgadgets.com>
 -- Copyright 2012 Jared Boone
 --
 -- This file is part of HackRF.