diff --git a/doc/GRE_CNL113789_1551.adoc b/doc/GRE_CNL113789_1551.adoc
index 9507dc8..1410534 100644
--- a/doc/GRE_CNL113789_1551.adoc
+++ b/doc/GRE_CNL113789_1551.adoc
@@ -12,7 +12,7 @@
 
 *Copyright*
 
-Copyright (c) 2000-2016 Ericsson Telecom AB. +
+Copyright (c) 2000-2019 Ericsson Telecom AB. +
 All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 that accompanies this distribution, and is available at +
 http://www.eclipse.org/legal/epl-v10.html.
 
diff --git a/src/GRE_Types.ttcn b/src/GRE_Types.ttcn
index 44bca34..13fcc0b 100644
--- a/src/GRE_Types.ttcn
+++ b/src/GRE_Types.ttcn
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////
 //
-// Copyright (c) 2000-2018 Ericsson Telecom AB
+// Copyright (c) 2000-2019 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