diff --git a/gx/gx_video.c b/gx/gx_video.c
index f16f9196..6a00bee0 100644
--- a/gx/gx_video.c
+++ b/gx/gx_video.c
@@ -3,7 +3,7 @@
  *
  *  Genesis Plus GX video & rendering support
  *
- *  Copyright Eke-Eke (2007-2021), based on original work from Softdev (2006)
+ *  Copyright Eke-Eke (2007-2023), based on original work from Softdev (2006)
  *
  *  Redistribution and use of this code or any derivative works are permitted
  *  provided that the following conditions are met:
diff --git a/gx/gx_video.h b/gx/gx_video.h
index 55294dda..11f1e1f3 100644
--- a/gx/gx_video.h
+++ b/gx/gx_video.h
@@ -3,7 +3,7 @@
  *
  *  Genesis Plus GX video support
  *
- *  Copyright Eke-Eke (2007-2021), based on original work from Softdev (2006)
+ *  Copyright Eke-Eke (2007-2023), based on original work from Softdev (2006)
  *
  *  Redistribution and use of this code or any derivative works are permitted
  *  provided that the following conditions are met: