--- a/COPYRIGHT Tue Apr 02 13:15:37 2019 +0200
+++ b/COPYRIGHT Tue Apr 02 13:15:52 2019 +0200
@@ -1,6 +1,6 @@
ISABELLE COPYRIGHT NOTICE, LICENCE AND DISCLAIMER.
-Copyright (c) 1986-2018,
+Copyright (c) 1986-2019,
University of Cambridge,
Technische Universitaet Muenchen,
and contributors.