diff --git a/chapters/copyright.tex b/chapters/copyright.tex
index a56fb9f39..fe2e8d38f 100644
--- a/chapters/copyright.tex
+++ b/chapters/copyright.tex
@@ -1,4 +1,4 @@
-Copyright \textcopyright{} 1998-2020, Modelica Association (\url{https://www.modelica.org})
+Copyright \textcopyright{} 1998-2021, Modelica Association (\url{https://www.modelica.org})
 
 All rights reserved.
 Reproduction or use of editorial or pictorial content is permitted, i.e., this document can be freely distributed especially electronically, provided the copyright notice and these conditions are retained.