diff --git a/metadata/service/api/cluster.yml b/metadata/service/api/cluster.yml
index 1ccc55e..efb647a 100644
--- a/metadata/service/api/cluster.yml
+++ b/metadata/service/api/cluster.yml
@@ -25,6 +25,8 @@
         address: ${_param:cluster_local_address}
         port: 6385
         protocol: 'http'
+      concurrency:
+        lock_path: '/var/lib/ironic/tmp'
       message_queue:
         engine: rabbitmq
         port: 5672
diff --git a/metadata/service/api/single.yml b/metadata/service/api/single.yml
index bde3356..affaab3 100644
--- a/metadata/service/api/single.yml
+++ b/metadata/service/api/single.yml
@@ -25,6 +25,8 @@
         address: ${_param:single_address}
         port: 6385
         protocol: 'http'
+      concurrency:
+        lock_path: '/var/lib/ironic/tmp'
       message_queue:
         engine: rabbitmq
         port: 5672
diff --git a/metadata/service/conductor/cluster.yml b/metadata/service/conductor/cluster.yml
index 79b0bc3..bdd6b61 100644
--- a/metadata/service/conductor/cluster.yml
+++ b/metadata/service/conductor/cluster.yml
@@ -11,6 +11,8 @@
   ironic:
     conductor:
       enabled: true
+      concurrency:
+        lock_path: '/var/lib/ironic/tmp'
       logging:
         log_appender: ${_param:openstack_log_appender}
         log_handlers:
diff --git a/metadata/service/conductor/single.yml b/metadata/service/conductor/single.yml
index d6f89d9..f6a136b 100644
--- a/metadata/service/conductor/single.yml
+++ b/metadata/service/conductor/single.yml
@@ -10,6 +10,8 @@
   ironic:
     conductor:
       enabled: true
+      concurrency:
+        lock_path: '/var/lib/ironic/tmp'
       logging:
         log_appender: ${_param:openstack_log_appender}
         log_handlers: