diff --git a/config-models/aether-4.x/CHANGELOG.md b/config-models/aether-4.x/CHANGELOG.md
index a873a5d..c8d58ec 100644
--- a/config-models/aether-4.x/CHANGELOG.md
+++ b/config-models/aether-4.x/CHANGELOG.md
@@ -1,7 +1,7 @@
 <!--
 SPDX-FileCopyrightText: 2021 Open Networking Foundation
 
-SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+SPDX-License-Identifier: Apache-2.0
 -->
 
 Changes on 11/1/2021
diff --git a/config-models/aether-4.x/Chart.yaml b/config-models/aether-4.x/Chart.yaml
index a9c80ca..e7cf3ad 100644
--- a/config-models/aether-4.x/Chart.yaml
+++ b/config-models/aether-4.x/Chart.yaml
@@ -1,10 +1,10 @@
 # SPDX-FileCopyrightText: 2021-present Open Networking Foundation <info@opennetworking.org>
 #
-# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+# SPDX-License-Identifier: Apache-2.0
 
 apiVersion: v2
 name: config-model-aether-4
-version: 4.0.17
+version: 4.0.18
 kubeVersion: ">=1.18.0"
 appVersion: 4.0.0
 description: Aether config model
diff --git a/config-models/aether-4.x/files/yang/onf-aether-types.yang b/config-models/aether-4.x/files/yang/onf-aether-types.yang
index 679648e..9d9c892 100755
--- a/config-models/aether-4.x/files/yang/onf-aether-types.yang
+++ b/config-models/aether-4.x/files/yang/onf-aether-types.yang
@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021 Open Networking Foundation
 //
-// SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+// SPDX-License-Identifier: Apache-2.0
 
 module onf-aether-types {
   namespace "http://opennetworking.org/aether/aether-types";
diff --git a/config-models/aether-4.x/files/yang/onf-application.yang b/config-models/aether-4.x/files/yang/onf-application.yang
index c48cab1..e774944 100755
--- a/config-models/aether-4.x/files/yang/onf-application.yang
+++ b/config-models/aether-4.x/files/yang/onf-application.yang
@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021 Open Networking Foundation
 //
-// SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+// SPDX-License-Identifier: Apache-2.0
 
 module onf-application {
   namespace "http://opennetworking.org/enterprise/application";
diff --git a/config-models/aether-4.x/files/yang/onf-connectivity-service.yang b/config-models/aether-4.x/files/yang/onf-connectivity-service.yang
index e1d53b6..009fc6c 100755
--- a/config-models/aether-4.x/files/yang/onf-connectivity-service.yang
+++ b/config-models/aether-4.x/files/yang/onf-connectivity-service.yang
@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021 Open Networking Foundation
 //
-// SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+// SPDX-License-Identifier: Apache-2.0
 
 module onf-connectivity-service {
   namespace "http://opennetworking.org/aether/connectivity-service";
diff --git a/config-models/aether-4.x/files/yang/onf-device-group.yang b/config-models/aether-4.x/files/yang/onf-device-group.yang
index a93c295..0aac881 100755
--- a/config-models/aether-4.x/files/yang/onf-device-group.yang
+++ b/config-models/aether-4.x/files/yang/onf-device-group.yang
@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021 Open Networking Foundation
 //
-// SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+// SPDX-License-Identifier: Apache-2.0
 
 module onf-device-group {
   namespace "http://opennetworking.org/aether/device-group";
diff --git a/config-models/aether-4.x/files/yang/onf-enterprise.yang b/config-models/aether-4.x/files/yang/onf-enterprise.yang
index 16ad5f9..906d8ac 100755
--- a/config-models/aether-4.x/files/yang/onf-enterprise.yang
+++ b/config-models/aether-4.x/files/yang/onf-enterprise.yang
@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021 Open Networking Foundation
 //
-// SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+// SPDX-License-Identifier: Apache-2.0
 
 module onf-enterprise {
   namespace "http://opennetworking.org/aether/enterprise";
diff --git a/config-models/aether-4.x/files/yang/onf-ip-domain.yang b/config-models/aether-4.x/files/yang/onf-ip-domain.yang
index e896cc5..629256a 100755
--- a/config-models/aether-4.x/files/yang/onf-ip-domain.yang
+++ b/config-models/aether-4.x/files/yang/onf-ip-domain.yang
@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021 Open Networking Foundation
 //
-// SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+// SPDX-License-Identifier: Apache-2.0
 
 module onf-ip-domain {
   namespace "http://opennetworking.org/aether/ip-domain";
diff --git a/config-models/aether-4.x/files/yang/onf-site.yang b/config-models/aether-4.x/files/yang/onf-site.yang
index b5f22c4..1695a35 100755
--- a/config-models/aether-4.x/files/yang/onf-site.yang
+++ b/config-models/aether-4.x/files/yang/onf-site.yang
@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021 Open Networking Foundation
 //
-// SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+// SPDX-License-Identifier: Apache-2.0
 
 module onf-site {
   namespace "http://opennetworking.org/aether/site";
diff --git a/config-models/aether-4.x/files/yang/onf-template.yang b/config-models/aether-4.x/files/yang/onf-template.yang
index bbd94ef..e6af73e 100755
--- a/config-models/aether-4.x/files/yang/onf-template.yang
+++ b/config-models/aether-4.x/files/yang/onf-template.yang
@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021 Open Networking Foundation
 //
-// SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+// SPDX-License-Identifier: Apache-2.0
 
 module onf-template {
   namespace "http://opennetworking.org/aether/template";
diff --git a/config-models/aether-4.x/files/yang/onf-traffic-class.yang b/config-models/aether-4.x/files/yang/onf-traffic-class.yang
index a592267..2d9f135 100755
--- a/config-models/aether-4.x/files/yang/onf-traffic-class.yang
+++ b/config-models/aether-4.x/files/yang/onf-traffic-class.yang
@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021 Open Networking Foundation
 //
-// SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+// SPDX-License-Identifier: Apache-2.0
 
 module onf-traffic-class {
   namespace "http://opennetworking.org/aether/traffic-class";
diff --git a/config-models/aether-4.x/files/yang/onf-upf.yang b/config-models/aether-4.x/files/yang/onf-upf.yang
index 5c8be50..4274acb 100755
--- a/config-models/aether-4.x/files/yang/onf-upf.yang
+++ b/config-models/aether-4.x/files/yang/onf-upf.yang
@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021 Open Networking Foundation
 //
-// SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+// SPDX-License-Identifier: Apache-2.0
 
 module onf-upf {
   namespace "http://opennetworking.org/aether/upf";
diff --git a/config-models/aether-4.x/files/yang/onf-vcs.yang b/config-models/aether-4.x/files/yang/onf-vcs.yang
index c275565..89b8304 100755
--- a/config-models/aether-4.x/files/yang/onf-vcs.yang
+++ b/config-models/aether-4.x/files/yang/onf-vcs.yang
@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021 Open Networking Foundation
 //
-// SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+// SPDX-License-Identifier: Apache-2.0
 
 module onf-vcs {
   namespace "http://opennetworking.org/aether/vcs";
diff --git a/config-models/aether-4.x/templates/_helpers.tpl b/config-models/aether-4.x/templates/_helpers.tpl
index 0380f1a..bb84c33 100644
--- a/config-models/aether-4.x/templates/_helpers.tpl
+++ b/config-models/aether-4.x/templates/_helpers.tpl
@@ -1,7 +1,7 @@
 {{/* vim: set filetype=mustache: */}}
 {{/*
 SPDX-FileCopyrightText: 2020-present Open Networking Foundation <info@opennetworking.org>
-SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+SPDX-License-Identifier: Apache-2.0
 
 Expand the name of the chart.
 */}}
diff --git a/config-models/aether-4.x/templates/model.yaml b/config-models/aether-4.x/templates/model.yaml
index 301bfae..0369022 100644
--- a/config-models/aether-4.x/templates/model.yaml
+++ b/config-models/aether-4.x/templates/model.yaml
@@ -1,6 +1,6 @@
 # SPDX-FileCopyrightText: 2021-present Open Networking Foundation <info@opennetworking.org>
 #
-# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+# SPDX-License-Identifier: Apache-2.0
 
 apiVersion: config.onosproject.org/v1beta1
 kind: Model
diff --git a/config-models/aether-4.x/values.yaml b/config-models/aether-4.x/values.yaml
index 2e984ed..aec2bd5 100644
--- a/config-models/aether-4.x/values.yaml
+++ b/config-models/aether-4.x/values.yaml
@@ -1,3 +1,3 @@
 # SPDX-FileCopyrightText: 2020-present Open Networking Foundation <info@opennetworking.org>
 #
-# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+# SPDX-License-Identifier: Apache-2.0