diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index 5cefed9..3a4d1eb 100644
--- a/chart/Chart.yaml
+++ b/chart/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v1
 name: longhorn
 version: 1.1.2
 appVersion: v1.1.2
-kubeVersion: ">=v1.16.0-r0"
+kubeVersion: ">=1.18.0-0"
 description: Longhorn is a distributed block storage system for Kubernetes.
 keywords:
 - longhorn
diff --git a/chart/templates/clusterrole.yaml b/chart/templates/clusterrole.yaml
index cd5aafb..5adbadd 100644
--- a/chart/templates/clusterrole.yaml
+++ b/chart/templates/clusterrole.yaml
@@ -29,7 +29,7 @@ rules:
   resources: ["priorityclasses"]
   verbs: ["watch", "list"]
 - apiGroups: ["storage.k8s.io"]
-  resources: ["storageclasses", "volumeattachments", "csinodes", "csidrivers"]
+  resources: ["storageclasses", "volumeattachments", "volumeattachments/status", "csinodes", "csidrivers"]
   verbs: ["*"]
 - apiGroups: ["snapshot.storage.k8s.io"]
   resources: ["volumesnapshotclasses", "volumesnapshots", "volumesnapshotcontents", "volumesnapshotcontents/status"]
diff --git a/chart/templates/storageclass.yaml b/chart/templates/storageclass.yaml
index dea6aaf..311b927 100644
--- a/chart/templates/storageclass.yaml
+++ b/chart/templates/storageclass.yaml
@@ -20,6 +20,9 @@ data:
       numberOfReplicas: "{{ .Values.persistence.defaultClassReplicaCount }}"
       staleReplicaTimeout: "30"
       fromBackup: ""
+      {{- if .Values.persistence.defaultFsType }}
+      fsType: "{{.Values.persistence.defaultFsType}}"
+      {{- end }}
       baseImage: ""
       {{- if .Values.persistence.recurringJobs.enable }}
       recurringJobs: '{{ .Values.persistence.recurringJobs.jobList }}'
diff --git a/chart/values.yaml b/chart/values.yaml
index fc6c63b..c158484 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -28,19 +28,19 @@ image:
   csi:
     attacher:
       repository: longhornio/csi-attacher
-      tag: v2.2.1-lh2
+      tag: v3.2.1
     provisioner:
       repository: longhornio/csi-provisioner
-      tag: v1.6.0-lh2
+      tag: v2.1.2
     nodeDriverRegistrar:
       repository: longhornio/csi-node-driver-registrar
-      tag: v1.2.0-lh1
+      tag: v2.3.0
     resizer:
       repository: longhornio/csi-resizer
-      tag: v0.5.1-lh2
+      tag: v1.2.0
     snapshotter:
       repository: longhornio/csi-snapshotter
-      tag: v2.1.1-lh2
+      tag: v3.0.3
   pullPolicy: IfNotPresent
 
 service:
@@ -53,6 +53,7 @@ service:
 
 persistence:
   defaultClass: true
+  defaultFsType: ext4
   defaultClassReplicaCount: 3
   reclaimPolicy: Delete
   recurringJobs:
diff --git a/deploy/longhorn-images.txt b/deploy/longhorn-images.txt
index 35f8d3b..ac03c10 100644
--- a/deploy/longhorn-images.txt
+++ b/deploy/longhorn-images.txt
@@ -1,8 +1,8 @@
-longhornio/csi-attacher:v2.2.1-lh2
-longhornio/csi-node-driver-registrar:v1.2.0-lh1
-longhornio/csi-provisioner:v1.6.0-lh2
-longhornio/csi-resizer:v0.5.1-lh2
-longhornio/csi-snapshotter:v2.1.1-lh2
+longhornio/csi-attacher:v3.2.1
+longhornio/csi-node-driver-registrar:v2.3.0
+longhornio/csi-provisioner:v2.1.2
+longhornio/csi-resizer:v1.2.0
+longhornio/csi-snapshotter:v3.0.3
 longhornio/backing-image-manager:v1_20210422
 longhornio/longhorn-engine:v1.1.2
 longhornio/longhorn-instance-manager:v1_20210621
diff --git a/deploy/release-images.txt b/deploy/release-images.txt
deleted file mode 100644
index 35f8d3b..0000000
--- a/deploy/release-images.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-longhornio/csi-attacher:v2.2.1-lh2
-longhornio/csi-node-driver-registrar:v1.2.0-lh1
-longhornio/csi-provisioner:v1.6.0-lh2
-longhornio/csi-resizer:v0.5.1-lh2
-longhornio/csi-snapshotter:v2.1.1-lh2
-longhornio/backing-image-manager:v1_20210422
-longhornio/longhorn-engine:v1.1.2
-longhornio/longhorn-instance-manager:v1_20210621
-longhornio/longhorn-manager:v1.1.2
-longhornio/longhorn-share-manager:v1_20210416
-longhornio/longhorn-ui:v1.1.2
diff --git a/examples/storageclass.yaml b/examples/storageclass.yaml
index 96c06d9..0acab73 100644
--- a/examples/storageclass.yaml
+++ b/examples/storageclass.yaml
@@ -17,6 +17,7 @@ data:
       numberOfReplicas: "2"
       staleReplicaTimeout: "2880"
       fromBackup: ""
+      fsType: "ext4"
     #  backingImage: "bi-test"
     #  backingImageURL: "https://backing-image-example.s3-region.amazonaws.com/test-backing-image"
     #  diskSelector: "ssd,fast"