diff --git a/cinder/templates/cron-job-cinder-db-purge.yaml b/cinder/templates/cron-job-cinder-db-purge.yaml
index 71f3e0e1a5..4671117fd0 100644
--- a/cinder/templates/cron-job-cinder-db-purge.yaml
+++ b/cinder/templates/cron-job-cinder-db-purge.yaml
@@ -49,6 +49,8 @@ spec:
           annotations:
 {{ dict "envAll" $envAll "podName" $serviceAccountName "containerNames" (list "db-purge" "init") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 12 }}
         spec:
+{{ tuple "cinder_db_purge" . | include "helm-toolkit.snippets.kubernetes_pod_priority_class" | indent 10 }}
+{{ tuple "cinder_db_purge" . | include "helm-toolkit.snippets.kubernetes_pod_runtime_class" | indent 10 }}
 {{ dict "envAll" $envAll "application" "db_purge" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 10 }}
           serviceAccountName: {{ $serviceAccountName }}
           restartPolicy: OnFailure
diff --git a/releasenotes/notes/cinder-ddd3bb79dff72ba6.yaml b/releasenotes/notes/cinder-ddd3bb79dff72ba6.yaml
new file mode 100644
index 0000000000..202339a407
--- /dev/null
+++ b/releasenotes/notes/cinder-ddd3bb79dff72ba6.yaml
@@ -0,0 +1,5 @@
+---
+cinder:
+  - |
+    Add missing priority class and runtime class definition for cinder_db_purge
+...