diff --git a/magnum/Chart.yaml b/magnum/Chart.yaml
index 3e81f98dcb..75aef1aee5 100644
--- a/magnum/Chart.yaml
+++ b/magnum/Chart.yaml
@@ -14,7 +14,7 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm Magnum
 name: magnum
-version: 0.2.3
+version: 0.2.4
 home: https://docs.openstack.org/magnum/latest/
 icon: https://www.openstack.org/themes/openstack/images/project-mascots/Magnum/OpenStack_Project_Magnum_vertical.png
 sources:
diff --git a/magnum/templates/statefulset-conductor.yaml b/magnum/templates/statefulset-conductor.yaml
index 49621a07a5..44d8b0273b 100644
--- a/magnum/templates/statefulset-conductor.yaml
+++ b/magnum/templates/statefulset-conductor.yaml
@@ -108,6 +108,8 @@ spec:
               mountPath: /tmp/pod-shared
             - name: magnum-lock-path
               mountPath: {{ .Values.conf.magnum.oslo_concurrency.lock_path }}
+            - name: magnum-certificate-cache
+              mountPath: {{ .Values.conf.magnum.cluster.temp_cache_dir }}
 {{ if $mounts_magnum_conductor.volumeMounts }}{{ toYaml $mounts_magnum_conductor.volumeMounts | indent 12 }}{{ end }}
       volumes:
         - name: pod-tmp
@@ -126,5 +128,7 @@ spec:
             defaultMode: 0444
         - name: magnum-lock-path
           emptyDir: {}
+        - name: magnum-certificate-cache
+          emptyDir: {}
 {{ if $mounts_magnum_conductor.volumes }}{{ toYaml $mounts_magnum_conductor.volumes | indent 8 }}{{ end }}
 {{- end }}
diff --git a/magnum/values.yaml b/magnum/values.yaml
index 66fe791c70..544472a80e 100644
--- a/magnum/values.yaml
+++ b/magnum/values.yaml
@@ -115,6 +115,8 @@ conf:
     DEFAULT:
       log_config_append: /etc/magnum/logging.conf
       transport_url: null
+    cluster:
+      temp_cache_dir: /var/lib/magnum/certificate-cache
     oslo_messaging_notifications:
       driver: messaging
     oslo_concurrency:
diff --git a/releasenotes/notes/magnum.yaml b/releasenotes/notes/magnum.yaml
index 1e74af9b11..88a4226f7d 100644
--- a/releasenotes/notes/magnum.yaml
+++ b/releasenotes/notes/magnum.yaml
@@ -7,4 +7,5 @@ magnum:
   - 0.2.1 Use policies in yaml format
   - 0.2.2 Fix restarting of magnum-conductor pods
   - 0.2.3 Update htk requirements repo
+  - 0.2.4 Mount empty temp_cache_dir for performance
 ...