diff --git a/templates/parts/section-designate b/templates/parts/section-designate
index aaeb97b6..d37d2cb4 100644
--- a/templates/parts/section-designate
+++ b/templates/parts/section-designate
@@ -1,9 +1,21 @@
 [designate]
 url = {{ designate_endpoint }}/v2
+{% if api_version == "3" -%}
+auth_uri = {{ service_protocol }}://{{ service_host }}:{{ service_port }}
+auth_url = {{ auth_protocol }}://{{ auth_host }}:{{ auth_port }}
+auth_type = password
+project_domain_name = {{ admin_domain_name }}
+user_domain_name = {{ admin_domain_name }}
+project_name = {{ admin_tenant_name }}
+username = {{ admin_user }}
+password = {{ admin_password }}
+signing_dir = {{ signing_dir }}
+{% else -%}
 admin_auth_url = {{ auth_protocol }}://{{ auth_host }}:{{ auth_port }}
 admin_username = {{ admin_user }}
 admin_password = {{ admin_password }}
 admin_tenant_name = {{ admin_tenant_name }}
+{% endif -%}
 allow_reverse_dns_lookup = {{ allow_reverse_dns_lookup }}
 {% if allow_reverse_dns_lookup -%}
 ipv4_ptr_zone_prefix_size = {{ ipv4_ptr_zone_prefix_size }}