diff --git a/WebSocket_CNL113782.tpd b/WebSocket_CNL113782.tpd
index cc197a8fd98d1c72a08d68d4e3927d4a45287573..0e0d442457aa357790dfc3d6a0c8ddfe9e458619 100644
--- a/WebSocket_CNL113782.tpd
+++ b/WebSocket_CNL113782.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/src/WebSocket_CNL113782.grp b/src/WebSocket_CNL113782.grp
index bf13107d7af786514d2152a1369bbda0b32e5bc4..0b00b59ad10bad5cc154fdc024364d4cfe9eb07a 100644
--- a/src/WebSocket_CNL113782.grp
+++ b/src/WebSocket_CNL113782.grp
@@ -1,6 +1,6 @@
 <!--
 /******************************************************************************
-* 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/WebSocket_EncDec.cc b/src/WebSocket_EncDec.cc
index 14df6db5d61defba1bd70162b1fbfc251c65b573..aed554b17ff81b76da01a6674712d660e943919f 100644
--- a/src/WebSocket_EncDec.cc
+++ b/src/WebSocket_EncDec.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/WebSocket_Types.ttcn b/src/WebSocket_Types.ttcn
index 93be046d282c71b1eb9e280731c190ed9b1f46f5..3153b046ccbd88112eee2c8243f48077514231bd 100644
--- a/src/WebSocket_Types.ttcn
+++ b/src/WebSocket_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