update year in NOTICE file
diff --git a/NOTICE.txt b/NOTICE.txt
index bb6a270..bb0b0a8 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -1,5 +1,5 @@
 Apache Qpid Python Client
-Copyright 2006-2019 The Apache Software Foundation
+Copyright 2006-2020 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).