diff --git a/zammad/Chart.yaml b/zammad/Chart.yaml
index 8d0dbd1d..96fbf8e0 100755
--- a/zammad/Chart.yaml
+++ b/zammad/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v2
 name: zammad
-version: 15.2.5
+version: 15.3.0
 appVersion: 6.5.2-22
 description: Zammad is a web based open source helpdesk/customer support system with many features to manage customer communication via several channels like telephone, facebook, twitter, chat and e-mails.
 home: https://zammad.org
diff --git a/zammad/templates/_helpers.tpl b/zammad/templates/_helpers.tpl
index 80c4e3a6..46d43f82 100755
--- a/zammad/templates/_helpers.tpl
+++ b/zammad/templates/_helpers.tpl
@@ -323,6 +323,15 @@ initContainers:
 {{ include "zammad.podSpec.initContainers" . | nindent 2 }}
 {{- end -}}
 
+{{/* 
+priority class configuration for Zammad pods
+*/}}
+{{- define "zammad.podSpec.priorityClass" -}}
+{{- if .priorityClassName }}
+priorityClassName: {{ .priorityClassName }}
+{{- end}}
+{{- end -}}
+
 {{/*
 shared configuration for Zammad containers
 */}}
diff --git a/zammad/templates/cronjob-reindex.yaml b/zammad/templates/cronjob-reindex.yaml
index c2273cb3..1ef6380e 100755
--- a/zammad/templates/cronjob-reindex.yaml
+++ b/zammad/templates/cronjob-reindex.yaml
@@ -30,6 +30,7 @@ spec:
             {{- toYaml . | nindent 12}}
             {{- end }}
         spec:
+          {{- include "zammad.podSpec.priorityClass" .Values.zammadConfig.cronJob | nindent 10 }}
           {{- include "zammad.podSpec" . | nindent 10 }}
           {{- with .Values.zammadConfig.cronJob.reindex.podSpec }}
           {{- toYaml . | nindent 10}}
diff --git a/zammad/templates/deployment-nginx.yaml b/zammad/templates/deployment-nginx.yaml
index aa728cbc..d2db8bed 100644
--- a/zammad/templates/deployment-nginx.yaml
+++ b/zammad/templates/deployment-nginx.yaml
@@ -28,6 +28,7 @@ spec:
         {{- toYaml . | nindent 8}}
         {{- end }}
     spec:
+      {{- include "zammad.podSpec.priorityClass" .Values.zammadConfig.nginx | nindent 6 }}
       {{- include "zammad.podSpec.deployment" . | nindent 6 }}
       {{- with .Values.zammadConfig.nginx.nodeSelector }}
       nodeSelector:
diff --git a/zammad/templates/deployment-railsserver.yaml b/zammad/templates/deployment-railsserver.yaml
index 4818839f..cada4789 100644
--- a/zammad/templates/deployment-railsserver.yaml
+++ b/zammad/templates/deployment-railsserver.yaml
@@ -27,6 +27,7 @@ spec:
         {{- toYaml . | nindent 8}}
         {{- end }}
     spec:
+      {{- include "zammad.podSpec.priorityClass" .Values.zammadConfig.railsserver | nindent 6 }}
       {{- include "zammad.podSpec.deployment" . | nindent 6 }}
       {{- with .Values.zammadConfig.railsserver.nodeSelector }}
       nodeSelector:
diff --git a/zammad/templates/deployment-scheduler.yaml b/zammad/templates/deployment-scheduler.yaml
index 283f87b4..e9947546 100644
--- a/zammad/templates/deployment-scheduler.yaml
+++ b/zammad/templates/deployment-scheduler.yaml
@@ -31,6 +31,7 @@ spec:
         {{- toYaml . | nindent 8}}
         {{- end }}
     spec:
+      {{- include "zammad.podSpec.priorityClass" .Values.zammadConfig.scheduler | nindent 6 }}
       {{- include "zammad.podSpec.deployment" . | nindent 6 }}
       {{- with .Values.zammadConfig.scheduler.nodeSelector }}
       nodeSelector:
diff --git a/zammad/templates/deployment-websocket.yaml b/zammad/templates/deployment-websocket.yaml
index 4844246e..8ab8f0e8 100755
--- a/zammad/templates/deployment-websocket.yaml
+++ b/zammad/templates/deployment-websocket.yaml
@@ -29,6 +29,7 @@ spec:
         {{- toYaml . | nindent 8}}
         {{- end }}
     spec:
+      {{- include "zammad.podSpec.priorityClass" .Values.zammadConfig.websocket | nindent 6 }}
       {{- include "zammad.podSpec.deployment" . | nindent 6 }}
       {{- with .Values.zammadConfig.websocket.topologySpreadConstraints }}
       topologySpreadConstraints:
diff --git a/zammad/templates/job-init.yaml b/zammad/templates/job-init.yaml
index 702008fd..1dd6be72 100755
--- a/zammad/templates/job-init.yaml
+++ b/zammad/templates/job-init.yaml
@@ -34,6 +34,7 @@ spec:
         {{- toYaml . | nindent 8}}
         {{- end }}
     spec:
+      {{- include "zammad.podSpec.priorityClass" .Values.zammadConfig.initJob | nindent 6 }}
       {{- include "zammad.podSpec" . | nindent 6 }}
       {{- with .Values.zammadConfig.initJob.podSpec }}
       {{- toYaml . | nindent 6}}
diff --git a/zammad/values.yaml b/zammad/values.yaml
index 30c5d361..aeaae8f6 100755
--- a/zammad/values.yaml
+++ b/zammad/values.yaml
@@ -168,6 +168,7 @@ zammadConfig:
       #   labelSelector:
       #     matchLabels:
       #      app.kubernetes.io/name: zammad
+    priorityClassName: ""
 
   postgresql:
     # enable/disable postgresql chart dependency
@@ -257,6 +258,7 @@ zammadConfig:
       #   labelSelector:
       #     matchLabels:
       #      app.kubernetes.io/name: zammad
+    priorityClassName: ""
 
   redis:
     # enable/disable redis chart dependency
@@ -310,6 +312,7 @@ zammadConfig:
       #   labelSelector:
       #     matchLabels:
       #      app.kubernetes.io/name: zammad
+    priorityClassName: ""
 
   storageVolume:
     # Enable this for 'File' based storage in Zammad. You must provide an externally managed 'extistingClaim'
@@ -400,6 +403,7 @@ zammadConfig:
       #   labelSelector:
       #     matchLabels:
       #      app.kubernetes.io/name: zammad
+    priorityClassName: ""
 
   initContainers:
     elasticsearch:
@@ -513,8 +517,11 @@ zammadConfig:
       #   labelSelector:
       #     matchLabels:
       #      app.kubernetes.io/name: zammad
+    
+    priorityClassName: ""
 
   cronJob:
+    priorityClassName: ""
     reindex:
       # By default, this cronjob never runs. It can be used to create maintenance jobs with
       #   kubectl create job my-reindex-job --from=cronjob/zammad-cronjob-reindex