diff --git a/LICENSE.txt b/LICENSE.txt
index 7f90e39..72eaa70 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,4 +1,4 @@
-Copyright (C) 2024 Modelica Association Project "FMI"
+Copyright (C) 2023-2024 Modelica Association Project FMI
               All rights reserved.
 
 Source code or other data, such as C-header and XML-schema files, that
diff --git a/docs/index.adoc b/docs/index.adoc
index 917e54e..a62c45b 100644
--- a/docs/index.adoc
+++ b/docs/index.adoc
@@ -23,7 +23,7 @@ _For further information on compatibility, see section https://fmi-standard.org/
 {empty} +
 {empty}
 
-Copyright (C) 2012-2024 The Modelica Association Project FMI.
+Copyright (C) 2023-2024 The Modelica Association Project FMI.
 
 This document is licensed under the Attribution-ShareAlike 4.0 International license.
 The code is released under the 2-Clause BSD License.
diff --git a/schema/fmi3LayeredStandardXcpManifest.xsd b/schema/fmi3LayeredStandardXcpManifest.xsd
index d84fa42..a3c33e7 100644
--- a/schema/fmi3LayeredStandardXcpManifest.xsd
+++ b/schema/fmi3LayeredStandardXcpManifest.xsd
@@ -3,7 +3,7 @@
 	<xs:import namespace="http://fmi-standard.org/fmi-ls-manifest" schemaLocation="fmi3LayeredStandardManifest.xsd"/>
 	<xs:annotation>
 		<xs:documentation>
-Copyright(c) 2024 Modelica Association Project "FMI".
+Copyright(c) 2023-2024 Modelica Association Project FMI.
              All rights reserved.
 
 This file is licensed by the copyright holders under the 2-Clause BSD License