diff --git a/movement/watch_faces/complication/pulsometer_face.c b/movement/watch_faces/complication/pulsometer_face.c
index 30eb5bdd..5e0209ba 100644
--- a/movement/watch_faces/complication/pulsometer_face.c
+++ b/movement/watch_faces/complication/pulsometer_face.c
@@ -1,7 +1,11 @@
+/* SPDX-License-Identifier: MIT */
+
 /*
  * MIT License
  *
- * Copyright (c) 2022 Joey Castillo
+ * Copyright © 2021-2022 Joey Castillo <joeycastillo@utexas.edu> <jose.castillo@gmail.com>
+ * Copyright © 2023 Jeremy O'Brien <neutral@fastmail.com>
+ * Copyright © 2024 Matheus Afonso Martins Moreira <matheus.a.m.moreira@gmail.com> (https://www.matheusmoreira.com/)
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/movement/watch_faces/complication/pulsometer_face.h b/movement/watch_faces/complication/pulsometer_face.h
index b5c87db7..ba629f2a 100644
--- a/movement/watch_faces/complication/pulsometer_face.h
+++ b/movement/watch_faces/complication/pulsometer_face.h
@@ -1,7 +1,12 @@
+/* SPDX-License-Identifier: MIT */
+
 /*
  * MIT License
  *
- * Copyright (c) 2022 Joey Castillo
+ * Copyright © 2021-2022 Joey Castillo <joeycastillo@utexas.edu> <jose.castillo@gmail.com>
+ * Copyright © 2022 Alexsander Akers <me@a2.io>
+ * Copyright © 2023 Alex Utter <ooterness@gmail.com>
+ * Copyright © 2024 Matheus Afonso Martins Moreira <matheus.a.m.moreira@gmail.com> (https://www.matheusmoreira.com/)
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal