diff --git a/cfb.c b/cfb.c
index e507f70460add2bbb05944ee205734f3f513c828..82cf18f4d9c6e25c60ccb2e75158f4ad1fc13eef 100644
--- a/cfb.c
+++ b/cfb.c
@@ -2,7 +2,7 @@
 
    Cipher feedback mode.
 
-   Copyright (C) 2015 Dmitry Eremin-Solenikov
+   Copyright (C) 2015, 2017 Dmitry Eremin-Solenikov
    Copyright (C) 2001, 2011 Niels Möller
 
    This file is part of GNU Nettle.
diff --git a/cfb.h b/cfb.h
index 76134eeb41a06fa0b86633d456253efb9412e0b8..16660df9b8ab8077b94052cd34e26a8b8296f3ac 100644
--- a/cfb.h
+++ b/cfb.h
@@ -2,7 +2,7 @@
 
    Cipher feedback mode.
 
-   Copyright (C) 2015 Dmitry Eremin-Solenikov
+   Copyright (C) 2015, 2017 Dmitry Eremin-Solenikov
    Copyright (C) 2001 Niels Möller
 
    This file is part of GNU Nettle.