diff --git a/chart/templates/clusterrole.yaml b/chart/templates/clusterrole.yaml
index e8244c7..df8dd40 100644
--- a/chart/templates/clusterrole.yaml
+++ b/chart/templates/clusterrole.yaml
@@ -28,5 +28,5 @@ rules:
   resources: ["csinodeinfos"]
   verbs: ["get", "list", "watch"]
 - apiGroups: ["longhorn.rancher.io"]
-  resources: ["volumes", "engines", "replicas", "settings", "engineimages", "nodes"]
+  resources: ["volumes", "engines", "replicas", "settings", "engineimages", "nodes", "instancemanagers"]
   verbs: ["*"]
diff --git a/chart/templates/crds.yaml b/chart/templates/crds.yaml
index ef45211..601169c 100644
--- a/chart/templates/crds.yaml
+++ b/chart/templates/crds.yaml
@@ -105,3 +105,21 @@ spec:
     singular: node
   scope: Namespaced
   version: v1alpha1
+---
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  labels:
+    longhorn-manager: InstanceManager
+  name: instancemanagers.longhorn.rancher.io
+spec:
+  group: longhorn.rancher.io
+  names:
+    kind: InstanceManager
+    listKind: InstanceManagerList
+    plural: instancemanagers
+    shortNames:
+    - lhim
+    singular: instancemanager
+  scope: Namespaced
+  version: v1alpha1