diff --git a/bundles/net.sourceforge.plantuml.lib/lib/COPYING b/bundles/net.sourceforge.plantuml.lib/lib/COPYING
index b19118fe9..102b2a2c1 100644
--- a/bundles/net.sourceforge.plantuml.lib/lib/COPYING
+++ b/bundles/net.sourceforge.plantuml.lib/lib/COPYING
@@ -2,7 +2,7 @@
 PlantUML : a free UML diagram generator
 ========================================================================
 
-(C) Copyright 2009-2017, Arnaud Roques
+(C) Copyright 2009-2023, Arnaud Roques
 
 THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
 LICENSE ("AGREEMENT"). [Eclipse Public License - v 1.0]