diff --git a/src/MQTTAsync.h b/src/MQTTAsync.h
index 128c05dc..e11af048 100644
--- a/src/MQTTAsync.h
+++ b/src/MQTTAsync.h
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2009, 2022 IBM Corp., Ian Craggs and others
+ * Copyright (c) 2009, 2023 IBM Corp., Ian Craggs and others
  *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0