diff --git a/MaterialLib/MPL/Properties/RelativePermeability/RelPermBrooksCorey.cpp b/MaterialLib/MPL/Properties/RelativePermeability/RelPermBrooksCorey.cpp
index 136b54bf8272dca748ec52317f64a3ac2c0565fe..eca986d0748ec80af4919e76b9e582379561a71a 100644
--- a/MaterialLib/MPL/Properties/RelativePermeability/RelPermBrooksCorey.cpp
+++ b/MaterialLib/MPL/Properties/RelativePermeability/RelPermBrooksCorey.cpp
@@ -5,7 +5,7 @@
  * \brief
  *
  * \copyright
- * Copyright (c) 2012-2018, OpenGeoSys Community (http://www.opengeosys.org)
+ * Copyright (c) 2012-2020, OpenGeoSys Community (http://www.opengeosys.org)
  *            Distributed under a Modified BSD License.
  *              See accompanying file LICENSE.txt or
  *              http://www.opengeosys.org/project/license
diff --git a/MaterialLib/MPL/Properties/RelativePermeability/RelPermLiakopoulos.cpp b/MaterialLib/MPL/Properties/RelativePermeability/RelPermLiakopoulos.cpp
index db6677073e267850bb24ac798bcacb8018cec5f5..359524a25da7188c2cb8698f4ddfe4c01c94a4a5 100644
--- a/MaterialLib/MPL/Properties/RelativePermeability/RelPermLiakopoulos.cpp
+++ b/MaterialLib/MPL/Properties/RelativePermeability/RelPermLiakopoulos.cpp
@@ -4,7 +4,7 @@
  * \brief
  *
  * \copyright
- * Copyright (c) 2012-2018, OpenGeoSys Community (http://www.opengeosys.org)
+ * Copyright (c) 2012-2020, OpenGeoSys Community (http://www.opengeosys.org)
  *            Distributed under a Modified BSD License.
  *              See accompanying file LICENSE.txt or
  *              http://www.opengeosys.org/project/license