diff --git a/Socket_API_CNL113686.tpd b/Socket_API_CNL113686.tpd
index 5908b307aae5c329d0d8ee1ac167ce5e2a4de65e..c884e4af94b4fea60a5f23ed4396755420dc8617 100644
--- a/Socket_API_CNL113686.tpd
+++ b/Socket_API_CNL113686.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/Socket_API.grp b/src/Socket_API.grp
index 83743dbf172a79d23db49b54b2971fa7040ed6d7..d8e3e101700f71b5a00856905b825cd8ac4d2215 100755
--- a/src/Socket_API.grp
+++ b/src/Socket_API.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/Socket_API_Definitions.ttcn b/src/Socket_API_Definitions.ttcn
index 26d1773e9e39c5adf448b32239f325dfe26d219c..c449ff296d2a789e410a61b1d741422490fbc2ff 100755
--- a/src/Socket_API_Definitions.ttcn
+++ b/src/Socket_API_Definitions.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