diff --git a/lib_xua/src/core/buffer/decouple/interrupt.h b/lib_xua/src/core/buffer/decouple/interrupt.h
index 44452d96..9c7b80f4 100644
--- a/lib_xua/src/core/buffer/decouple/interrupt.h
+++ b/lib_xua/src/core/buffer/decouple/interrupt.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011-2018, XMOS Ltd, All rights reserved
+// Copyright (c) 2011-2020, XMOS Ltd, All rights reserved
 #ifndef __interrupt_h__
 #define __interrupt_h__