diff --git a/charts/README.md b/charts/README.md
index b067979b..93ca1c8c 100644
--- a/charts/README.md
+++ b/charts/README.md
@@ -73,6 +73,7 @@ The following table lists the configurable parameters of the latest NFS CSI Driv
 | `controller.affinity`                                 | controller pod affinity                               | `{}`                                                             |
 | `controller.nodeSelector`                             | controller pod node selector                          | `{}`                                                             |
 | `controller.tolerations`                              | controller pod tolerations                            |                                                              |
+| `controller.priorityClassName`                        | controller pod priorityClassName                      | `system-cluster-critical`                                                             |
 | `controller.resources.csiProvisioner.limits.memory`   | csi-provisioner memory limits                         | 100Mi                                                          |
 | `controller.resources.csiProvisioner.requests.cpu`    | csi-provisioner cpu requests limits                   | 10m                                                            |
 | `controller.resources.csiProvisioner.requests.memory` | csi-provisioner memory requests limits                | 20Mi                                                           |
@@ -89,6 +90,7 @@ The following table lists the configurable parameters of the latest NFS CSI Driv
 | `node.livenessProbe.healthPort `                  | the health check port for liveness probe                    |`29653`                                                           |
 | `node.affinity`                                      | node pod affinity                                     | {}                                                             |
 | `node.nodeSelector`                                   | node pod node selector                                | `{}`                                                             |
+| `node.priorityClassName`                              | node pod priority class name                          | `system-cluster-critical`                                                             |
 | `node.tolerations`                              | node pod tolerations                            |                                                              |
 | `node.resources.livenessProbe.limits.memory`          | liveness-probe memory limits                          | 100Mi                                                          |
 | `node.resources.livenessProbe.requests.cpu`           | liveness-probe cpu requests limits                    | 10m                                                            |
diff --git a/charts/latest/csi-driver-nfs-v0.0.0.tgz b/charts/latest/csi-driver-nfs-v0.0.0.tgz
index ffb3bcd2..a4fe2fdb 100644
Binary files a/charts/latest/csi-driver-nfs-v0.0.0.tgz and b/charts/latest/csi-driver-nfs-v0.0.0.tgz differ
diff --git a/charts/latest/csi-driver-nfs/templates/csi-nfs-controller.yaml b/charts/latest/csi-driver-nfs/templates/csi-nfs-controller.yaml
index 1f51c29f..26e41871 100644
--- a/charts/latest/csi-driver-nfs/templates/csi-nfs-controller.yaml
+++ b/charts/latest/csi-driver-nfs/templates/csi-nfs-controller.yaml
@@ -39,7 +39,7 @@ spec:
 {{- with .Values.controller.nodeSelector }}
 {{ toYaml . | indent 8 }}
 {{- end }}
-      priorityClassName: system-cluster-critical
+      priorityClassName: {{ .Values.controller.priorityClassName }}
       securityContext:
         seccompProfile:
           type: RuntimeDefault
diff --git a/charts/latest/csi-driver-nfs/templates/csi-nfs-node.yaml b/charts/latest/csi-driver-nfs/templates/csi-nfs-node.yaml
index 651b3f85..bd372f97 100644
--- a/charts/latest/csi-driver-nfs/templates/csi-nfs-node.yaml
+++ b/charts/latest/csi-driver-nfs/templates/csi-nfs-node.yaml
@@ -25,7 +25,7 @@ spec:
       hostNetwork: true # original nfs connection would be broken without hostNetwork setting
       dnsPolicy: {{ .Values.controller.dnsPolicy }}
       serviceAccountName: csi-nfs-node-sa
-      priorityClassName: system-node-critical
+      priorityClassName: {{ .Values.node.priorityClassName }}
       securityContext:
         seccompProfile:
           type: RuntimeDefault
diff --git a/charts/latest/csi-driver-nfs/templates/csi-snapshot-controller.yaml b/charts/latest/csi-driver-nfs/templates/csi-snapshot-controller.yaml
index 15578df4..14cb1a9b 100644
--- a/charts/latest/csi-driver-nfs/templates/csi-snapshot-controller.yaml
+++ b/charts/latest/csi-driver-nfs/templates/csi-snapshot-controller.yaml
@@ -46,7 +46,7 @@ spec:
       {{- end }}
       nodeSelector:
         kubernetes.io/os: linux
-      priorityClassName: system-cluster-critical
+      priorityClassName: {{ .Values.externalSnapshotter.priorityClassName }}
       securityContext:
         seccompProfile:
           type: RuntimeDefault
diff --git a/charts/latest/csi-driver-nfs/values.yaml b/charts/latest/csi-driver-nfs/values.yaml
index 90b2fd32..c65a5b12 100755
--- a/charts/latest/csi-driver-nfs/values.yaml
+++ b/charts/latest/csi-driver-nfs/values.yaml
@@ -57,6 +57,7 @@ controller:
   defaultOnDeletePolicy: delete  # available values: delete, retain
   affinity: {}
   nodeSelector: {}
+  priorityClassName: system-cluster-critical
   tolerations:
     - key: "node-role.kubernetes.io/master"
       operator: "Exists"
@@ -102,6 +103,7 @@ node:
     healthPort: 29653
   affinity: {}
   nodeSelector: {}
+  priorityClassName: system-cluster-critical
   tolerations:
     - operator: "Exists"
   resources:
@@ -127,6 +129,7 @@ node:
 externalSnapshotter:
   enabled: false
   name: snapshot-controller
+  priorityClassName: system-cluster-critical
   controller:
     replicas: 1
   resources:
diff --git a/charts/v4.4.0/csi-driver-nfs-v4.4.0.tgz b/charts/v4.4.0/csi-driver-nfs-v4.4.0.tgz
index f4e1315c..c0a8d13e 100644
Binary files a/charts/v4.4.0/csi-driver-nfs-v4.4.0.tgz and b/charts/v4.4.0/csi-driver-nfs-v4.4.0.tgz differ
diff --git a/charts/v4.4.0/csi-driver-nfs/templates/csi-nfs-controller.yaml b/charts/v4.4.0/csi-driver-nfs/templates/csi-nfs-controller.yaml
index 1f51c29f..26e41871 100644
--- a/charts/v4.4.0/csi-driver-nfs/templates/csi-nfs-controller.yaml
+++ b/charts/v4.4.0/csi-driver-nfs/templates/csi-nfs-controller.yaml
@@ -39,7 +39,7 @@ spec:
 {{- with .Values.controller.nodeSelector }}
 {{ toYaml . | indent 8 }}
 {{- end }}
-      priorityClassName: system-cluster-critical
+      priorityClassName: {{ .Values.controller.priorityClassName }}
       securityContext:
         seccompProfile:
           type: RuntimeDefault
diff --git a/charts/v4.4.0/csi-driver-nfs/templates/csi-nfs-node.yaml b/charts/v4.4.0/csi-driver-nfs/templates/csi-nfs-node.yaml
index 651b3f85..bd372f97 100644
--- a/charts/v4.4.0/csi-driver-nfs/templates/csi-nfs-node.yaml
+++ b/charts/v4.4.0/csi-driver-nfs/templates/csi-nfs-node.yaml
@@ -25,7 +25,7 @@ spec:
       hostNetwork: true # original nfs connection would be broken without hostNetwork setting
       dnsPolicy: {{ .Values.controller.dnsPolicy }}
       serviceAccountName: csi-nfs-node-sa
-      priorityClassName: system-node-critical
+      priorityClassName: {{ .Values.node.priorityClassName }}
       securityContext:
         seccompProfile:
           type: RuntimeDefault
diff --git a/charts/v4.4.0/csi-driver-nfs/templates/csi-snapshot-controller.yaml b/charts/v4.4.0/csi-driver-nfs/templates/csi-snapshot-controller.yaml
index 351f2bbc..8e34c2af 100644
--- a/charts/v4.4.0/csi-driver-nfs/templates/csi-snapshot-controller.yaml
+++ b/charts/v4.4.0/csi-driver-nfs/templates/csi-snapshot-controller.yaml
@@ -42,7 +42,7 @@ spec:
       serviceAccountName: {{ .Values.externalSnapshotter.name }}
       nodeSelector:
         kubernetes.io/os: linux
-      priorityClassName: system-cluster-critical
+      priorityClassName: {{ .Values.externalSnapshotter.priorityClassName }
       securityContext:
         seccompProfile:
           type: RuntimeDefault
diff --git a/charts/v4.4.0/csi-driver-nfs/values.yaml b/charts/v4.4.0/csi-driver-nfs/values.yaml
index e1a40683..dc75cd6c 100644
--- a/charts/v4.4.0/csi-driver-nfs/values.yaml
+++ b/charts/v4.4.0/csi-driver-nfs/values.yaml
@@ -57,6 +57,7 @@ controller:
   defaultOnDeletePolicy: delete  # available values: delete, retain
   affinity: {}
   nodeSelector: {}
+  priorityClassName: system-cluster-critical
   tolerations:
     - key: "node-role.kubernetes.io/master"
       operator: "Exists"
@@ -102,6 +103,7 @@ node:
     healthPort: 29653
   affinity: {}
   nodeSelector: {}
+  priorityClassName: system-cluster-critical
   tolerations:
     - operator: "Exists"
   resources:
@@ -127,6 +129,7 @@ node:
 externalSnapshotter:
   enabled: true
   name: snapshot-controller
+  priorityClassName: system-cluster-critical
   controller:
     replicas: 1
   resources: