diff --git a/drivers/default/src/main/java/org/onosproject/driver/extensions/OplinkAttenuation.java b/drivers/default/src/main/java/org/onosproject/driver/extensions/OplinkAttenuation.java
index 7816759..44ec8e4 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/extensions/OplinkAttenuation.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/extensions/OplinkAttenuation.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Open Networking Laboratory
+ * Copyright 2016-present Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/drivers/default/src/main/java/org/onosproject/driver/extensions/OplinkExtensionTreatmentInterpreter.java b/drivers/default/src/main/java/org/onosproject/driver/extensions/OplinkExtensionTreatmentInterpreter.java
index d33e0b6..35f4c1b 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/extensions/OplinkExtensionTreatmentInterpreter.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/extensions/OplinkExtensionTreatmentInterpreter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Open Networking Laboratory
+ * Copyright 2016-present Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/drivers/default/src/main/java/org/onosproject/driver/extensions/codec/OplinkAttenuationCodec.java b/drivers/default/src/main/java/org/onosproject/driver/extensions/codec/OplinkAttenuationCodec.java
index ed2da00..8a4218d 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/extensions/codec/OplinkAttenuationCodec.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/extensions/codec/OplinkAttenuationCodec.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Open Networking Laboratory
+ * Copyright 2016-present Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.