diff --git a/base-helm-configs/cinder/cinder-helm-overrides.yaml b/base-helm-configs/cinder/cinder-helm-overrides.yaml
index ae403ddf..01d56eac 100644
--- a/base-helm-configs/cinder/cinder-helm-overrides.yaml
+++ b/base-helm-configs/cinder/cinder-helm-overrides.yaml
@@ -796,6 +796,8 @@ conf:
       use_multipath_for_image_xfer: False #Add Cinder Multipath support for image xfer
     database:
       max_retries: -1
+    key_manager:
+      backend: barbican
     keystone_authtoken:
       service_token_roles: service
       service_token_roles_required: true
diff --git a/base-helm-configs/nova/nova-helm-overrides.yaml b/base-helm-configs/nova/nova-helm-overrides.yaml
index 498b4b41..b98354e8 100644
--- a/base-helm-configs/nova/nova-helm-overrides.yaml
+++ b/base-helm-configs/nova/nova-helm-overrides.yaml
@@ -1409,6 +1409,8 @@ conf:
       auth_version: v3
     cinder:
       catalog_info: volumev3::internalURL
+    key_manager:
+      backend: barbican
     database:
       max_retries: -1
     api_database: