diff --git a/charts/fission-all/templates/buildermgr/deployment.yaml b/charts/fission-all/templates/buildermgr/deployment.yaml
index aa210c3c..03078417 100644
--- a/charts/fission-all/templates/buildermgr/deployment.yaml
+++ b/charts/fission-all/templates/buildermgr/deployment.yaml
@@ -49,6 +49,9 @@ spec:
         {{- include "opentracing.envs" . | indent 8 }}
         {{- include "opentelemtry.envs" . | indent 8 }}
       serviceAccountName: fission-svc
+{{- if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName }}
+{{- end }}
 {{- if .Values.extraCoreComponentPodConfig }}
 {{ toYaml .Values.extraCoreComponentPodConfig | indent 6 -}}
 {{- end }}
\ No newline at end of file
diff --git a/charts/fission-all/templates/controller/deployment.yaml b/charts/fission-all/templates/controller/deployment.yaml
index c576b254..a0ea1aad 100644
--- a/charts/fission-all/templates/controller/deployment.yaml
+++ b/charts/fission-all/templates/controller/deployment.yaml
@@ -66,6 +66,9 @@ spec:
       - name: config-volume
         configMap:
           name: feature-config
+{{- if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName }}
+{{- end }}
 {{- if .Values.extraCoreComponentPodConfig }}
 {{ toYaml .Values.extraCoreComponentPodConfig | indent 6 -}}
 {{- end }}
\ No newline at end of file
diff --git a/charts/fission-all/templates/executor/deployment.yaml b/charts/fission-all/templates/executor/deployment.yaml
index c392338c..845d362b 100644
--- a/charts/fission-all/templates/executor/deployment.yaml
+++ b/charts/fission-all/templates/executor/deployment.yaml
@@ -79,6 +79,11 @@ spec:
           name: pprof
         {{- end }}
       serviceAccountName: fission-svc
+{{- if .Values.executor.priorityClassName }}
+      priorityClassName: {{ .Values.executor.priorityClassName }}
+{{- else if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName }}
+{{- end }}
 {{- if .Values.extraCoreComponentPodConfig }}
 {{ toYaml .Values.extraCoreComponentPodConfig | indent 6 -}}
 {{- end }}
\ No newline at end of file
diff --git a/charts/fission-all/templates/kubewatcher/deployment.yaml b/charts/fission-all/templates/kubewatcher/deployment.yaml
index ed67a712..39bf036c 100644
--- a/charts/fission-all/templates/kubewatcher/deployment.yaml
+++ b/charts/fission-all/templates/kubewatcher/deployment.yaml
@@ -29,6 +29,9 @@ spec:
         {{- include "opentracing.envs" . | indent 8 }}
         {{- include "opentelemtry.envs" . | indent 8 }}
       serviceAccountName: fission-svc
+{{- if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName }}
+{{- end }}
 {{- if .Values.extraCoreComponentPodConfig }}
 {{ toYaml .Values.extraCoreComponentPodConfig | indent 6 -}}
 {{- end }}
diff --git a/charts/fission-all/templates/mqt-keda/deployment.yaml b/charts/fission-all/templates/mqt-keda/deployment.yaml
index 61c3b847..2ad1054a 100644
--- a/charts/fission-all/templates/mqt-keda/deployment.yaml
+++ b/charts/fission-all/templates/mqt-keda/deployment.yaml
@@ -47,6 +47,9 @@ spec:
         {{- include "opentracing.envs" . | indent 8 }}
         {{- include "opentelemtry.envs" . | indent 8 }}
       serviceAccountName: fission-svc
+{{- if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName }}
+{{- end }}
 {{- if .Values.extraCoreComponentPodConfig }}
 {{ toYaml .Values.extraCoreComponentPodConfig | indent 6 -}}
 {{- end }}
diff --git a/charts/fission-all/templates/router/deployment.yaml b/charts/fission-all/templates/router/deployment.yaml
index 03480847..a9ac2b8a 100644
--- a/charts/fission-all/templates/router/deployment.yaml
+++ b/charts/fission-all/templates/router/deployment.yaml
@@ -90,6 +90,11 @@ spec:
           name: pprof
         {{- end }}
       serviceAccountName: fission-svc
+{{- if .Values.router.priorityClassName }}
+      priorityClassName: {{ .Values.router.priorityClassName }}
+{{- else if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName }}
+{{- end }}
 {{- if .Values.router.extraCoreComponentPodConfig }}
 {{ toYaml .Values.router.extraCoreComponentPodConfig | indent 6 -}}
 {{- else }}
diff --git a/charts/fission-all/templates/storagesvc/deployment.yaml b/charts/fission-all/templates/storagesvc/deployment.yaml
index 6aab88a4..83ed777d 100644
--- a/charts/fission-all/templates/storagesvc/deployment.yaml
+++ b/charts/fission-all/templates/storagesvc/deployment.yaml
@@ -87,6 +87,9 @@ spec:
       - name: fission-storage
         emptyDir: {}
       {{- end }}
+{{- if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName }}
+{{- end }}
 {{- if .Values.extraCoreComponentPodConfig }}
 {{ toYaml .Values.extraCoreComponentPodConfig | indent 6 -}}
 {{- end }}
diff --git a/charts/fission-all/templates/timer/deployment.yaml b/charts/fission-all/templates/timer/deployment.yaml
index bb14b8aa..f770f8eb 100644
--- a/charts/fission-all/templates/timer/deployment.yaml
+++ b/charts/fission-all/templates/timer/deployment.yaml
@@ -29,6 +29,9 @@ spec:
         {{- include "opentracing.envs" . | indent 8 }}
         {{- include "opentelemtry.envs" . | indent 8 }}
       serviceAccountName: fission-svc
+      {{- if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName }}
+      {{- end }}
 {{- if .Values.extraCoreComponentPodConfig }}
 {{ toYaml .Values.extraCoreComponentPodConfig | indent 6 -}}
 {{- end }}
\ No newline at end of file
diff --git a/charts/fission-all/values.yaml b/charts/fission-all/values.yaml
index 8e6f51a3..871218cf 100644
--- a/charts/fission-all/values.yaml
+++ b/charts/fission-all/values.yaml
@@ -31,6 +31,13 @@ imageTag: v1.15.0-rc2
 ##
 pullPolicy: IfNotPresent
 
+## priorityClassName represents the priority class name to use for Fission components.
+## Refer to https://kubernetes.io/docs/concepts/scheduling-eviction/pod-priority-preemption/
+## executor.priorityClassName takes precedence over this value for executor.
+## router.priorityClassName takes precedence over this value for router.
+##
+priorityClassName: ""
+
 ## controllerPort represents the port at which the Fission controller service should be exposed.
 ##
 controllerPort: 31313
@@ -87,6 +94,11 @@ fetcher:
 ## executor is responsible for providing resources to your functions.
 ##
 executor:
+  ## executor priorityClassName
+  ## Ref. https://kubernetes.io/docs/concepts/scheduling-eviction/pod-priority-preemption/
+  ## Recommended to use system-cluster-critical for executor pods.
+  ##
+  priorityClassName: ""
   ## adoptExistingResources decides whether to adopt existing resources when executor restarts or Fission is redeployed.
   ##
   adoptExistingResources: false
@@ -98,6 +110,11 @@ executor:
 ## router is responsible for routing function calls to the appropriate function.
 ##
 router:
+  ## router priorityClassName
+  ## Ref. https://kubernetes.io/docs/concepts/scheduling-eviction/pod-priority-preemption/
+  ## Recommended to use system-cluster-critical for router pods.
+  ##
+  priorityClassName: ""
   ## deployAsDaemonSet decides whether to deploy router as a DaemonSet or a Deployment.
   ##
   deployAsDaemonSet: false
diff --git a/skaffold.yaml b/skaffold.yaml
index 0aed8501..4e4630e0 100644
--- a/skaffold.yaml
+++ b/skaffold.yaml
@@ -53,6 +53,7 @@ deploy:
         openTracing.enabled: false
         openTelemetry.otlpCollectorEndpoint: ""
         openTelemetry.otlpInsecure: true
+        priorityClassName: "system-cluster-critical"
       wait: true
     flags:
       install: