diff --git a/HTTPmsg_CNL113312.tpd b/HTTPmsg_CNL113312.tpd
index 032494ea30e4adc62be9c9ca3ad6484757637a1c..16b131d203ae11fe0a8301749f8e168556ebff5c 100644
--- a/HTTPmsg_CNL113312.tpd
+++ b/HTTPmsg_CNL113312.tpd
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  Copyright (c) 2000-2019 Ericsson Telecom AB
+  Copyright (c) 2000-2023 Ericsson Telecom AB
 
   All rights reserved. This program and the accompanying materials
   are made available under the terms of the Eclipse Public License v2.0
diff --git a/demo/Makefile b/demo/Makefile
index 4cd41c1507adac69911f452c8b7c0f3dd3ccc24a..e87a10d142eac8e052592b3dd1ea30a41cf5920a 100644
--- a/demo/Makefile
+++ b/demo/Makefile
@@ -2,7 +2,7 @@
 # of the TTCN-3 Test Executor version 1.7.pre0 build 2
 # for Attila Balasko (ethbaat@ehubuux110) on Mon Jan 15 16:28:23 2007
 
-# Copyright (c) 2000-2019 Ericsson Telecom AB
+# Copyright (c) 2000-2023 Ericsson Telecom AB
 
 # The following make commands are available:
 # - make, make all     Builds the executable test suite.
diff --git a/src/HTTPmsg_MessageLen.ttcn b/src/HTTPmsg_MessageLen.ttcn
index a2c49c37c5853c0e1d30328684d33bde80888c7b..c4a17ae7edd8cfc60c0e041e4cc12235e8fce7d2 100644
--- a/src/HTTPmsg_MessageLen.ttcn
+++ b/src/HTTPmsg_MessageLen.ttcn
@@ -1,5 +1,5 @@
 /******************************************************************************
-* Copyright (c) 2000-2019 Ericsson Telecom AB
+* Copyright (c) 2000-2023 Ericsson Telecom AB
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
diff --git a/src/HTTPmsg_MessageLen_Function.cc b/src/HTTPmsg_MessageLen_Function.cc
index 0284415705fd9e8a7a04dc1e8f191de15b894d7f..b7350ed9ef66e730a13e0db9b06b4a50f2551dff 100644
--- a/src/HTTPmsg_MessageLen_Function.cc
+++ b/src/HTTPmsg_MessageLen_Function.cc
@@ -1,5 +1,5 @@
 /******************************************************************************
-* Copyright (c) 2000-2019 Ericsson Telecom AB
+* Copyright (c) 2000-2023 Ericsson Telecom AB
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
diff --git a/src/HTTPmsg_PT.cc b/src/HTTPmsg_PT.cc
index 3daf3c85e7bf312718fbab47cf2bce0118752408..37e4b82313a1e4f0088a2f90f7ab9a7d5d575935 100644
--- a/src/HTTPmsg_PT.cc
+++ b/src/HTTPmsg_PT.cc
@@ -1,5 +1,5 @@
 /******************************************************************************
-* Copyright (c) 2000-2019 Ericsson Telecom AB
+* Copyright (c) 2000-2023 Ericsson Telecom AB
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
diff --git a/src/HTTPmsg_PT.hh b/src/HTTPmsg_PT.hh
index f0eab18728259fa66e91bd0ef71b0eda04254b27..9d30324f85a88103296e52c86c1bb49b64f62fef 100644
--- a/src/HTTPmsg_PT.hh
+++ b/src/HTTPmsg_PT.hh
@@ -1,5 +1,5 @@
 /******************************************************************************
-* Copyright (c) 2000-2019 Ericsson Telecom AB
+* Copyright (c) 2000-2023 Ericsson Telecom AB
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
diff --git a/src/HTTPmsg_PortType.ttcn b/src/HTTPmsg_PortType.ttcn
index 747f614fa9f14d5992d79fcf605ba6e29296ef17..9efcd7979b68255046a34aebf710d60f10aca8ae 100644
--- a/src/HTTPmsg_PortType.ttcn
+++ b/src/HTTPmsg_PortType.ttcn
@@ -1,5 +1,5 @@
 /******************************************************************************
-* Copyright (c) 2000-2019 Ericsson Telecom AB
+* Copyright (c) 2000-2023 Ericsson Telecom AB
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
diff --git a/src/HTTPmsg_Types.ttcn b/src/HTTPmsg_Types.ttcn
index 493440fab99ad53f48f23b53492e011e808be6a9..2d94ece52828034793fd17e1bb8c724062a8edd3 100644
--- a/src/HTTPmsg_Types.ttcn
+++ b/src/HTTPmsg_Types.ttcn
@@ -1,5 +1,5 @@
 /******************************************************************************
-* Copyright (c) 2000-2019 Ericsson Telecom AB
+* Copyright (c) 2000-2023 Ericsson Telecom AB
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at