diff --git a/library/bignum.c b/library/bignum.c
index ad0aa2c..bf904ef 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -1,7 +1,7 @@
 /*
  *  Multi-precision integer library
  *
- *  Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
+ *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
  *
  *  This file is part of mbed TLS (https://tls.mbed.org)
  *