diff --git a/templates/core-statefulset.yaml b/templates/core-statefulset.yaml
index 306db322..768ca950 100644
--- a/templates/core-statefulset.yaml
+++ b/templates/core-statefulset.yaml
@@ -182,6 +182,9 @@ spec:
 {{- end }}
       securityContext:
 {{ toYaml .Values.securityContext | indent 8 }}
+{{- if .Values.priorityClassName }}
+      priorityClassName: "{{ .Values.priorityClassName }}"
+{{- end }}
       volumes:
         - name: init-script
           configMap:
diff --git a/templates/readreplicas-statefulset.yaml b/templates/readreplicas-statefulset.yaml
index ba3bb80e..957beea1 100644
--- a/templates/readreplicas-statefulset.yaml
+++ b/templates/readreplicas-statefulset.yaml
@@ -186,6 +186,9 @@ spec:
 {{- end }}
       securityContext:
 {{ toYaml .Values.securityContext | indent 8 }}
+{{- if .Values.priorityClassName }}
+      priorityClassName: "{{ .Values.priorityClassName }}"
+{{- end }}
       volumes:
         - name: init-script
           configMap:
diff --git a/values.yaml b/values.yaml
index 6692d400..2e44687a 100644
--- a/values.yaml
+++ b/values.yaml
@@ -342,6 +342,10 @@ securityContext: {}
 #  runAsNonRoot: true
 #  runAsUser: 7474
 
+## Priority for pod scheduling
+## ref: https://kubernetes.io/docs/concepts/scheduling-eviction/pod-priority-preemption/
+priorityClassName: ""
+
 containerSecurityContext: {}
 # Sets securityContext at the container level.
 # We recommend to only use this if (pod) securityContext cannot be used. For example certain security options can only be set at this level.