diff --git a/matsim/LICENSE b/matsim/LICENSE
index e28a6ab76d8..c3676097f92 100755
--- a/matsim/LICENSE
+++ b/matsim/LICENSE
@@ -1,14 +1,9 @@
 ###########################################################################
 
-org.matsim java packages
-
-Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 by
-    Kay W. Axhausen, Michael Balmer, Christoph Dobler, Thibaut Dubernet, 
-    Dominik Grether,Andreas Horni, Gregor Laemmel, Nicolas Lefebvre, 
-    Fabrice Marchal, Konrad Meister, Kai Nagel, Andreas Neumann,  
-    Marcel Rieser, David Strippgen, Rashid Waraich, Michael Zilske, 
-    Technische Universitaet Berlin (TU-Berlin) and
-    Swiss Federal Institute of Technology Zurich (ETHZ)
+org.matsim
+and ch.sbb.matsim java packages
+Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 by
+    The MATSim Contributors
 
 
   This program is free software; you can redistribute it and/or modify
diff --git a/matsim/WARRANTY b/matsim/WARRANTY
index 450ba1b281c..ff03dcd5ce2 100755
--- a/matsim/WARRANTY
+++ b/matsim/WARRANTY
@@ -1,12 +1,7 @@
 ###########################################################################
 
-Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 by
-    Kay W. Axhausen, Michael Balmer, Christoph Dobler, Thibaut Dubernet, 
-    Dominik Grether,Andreas Horni, Gregor Laemmel, Nicolas Lefebvre, 
-    Fabrice Marchal, Konrad Meister, Kai Nagel, Andreas Neumann,  
-    Marcel Rieser, David Strippgen, Rashid Waraich, Michael Zilske, 
-    Technische Universitaet Berlin (TU-Berlin) and
-    Swiss Federal Institute of Technology Zurich (ETHZ)
+Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 by
+    The MATSim Contributors
 
 
 The org.matsim java packages are distributed in the hope that they will