diff --git a/library/bignum.c b/library/bignum.c
index 8e6e9f3..bbadd01 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -1,7 +1,7 @@
 /*
  *  Multi-precision integer library
  *
- *  Copyright (C) 2006-2010, ARM Limited, All Rights Reserved
+ *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
  *
  *  This file is part of mbed TLS (https://polarssl.org)
  *