diff --git a/charts/cert-manager/templates/cainjector-rbac.yaml b/charts/cert-manager/templates/cainjector-rbac.yaml
index 0393f92..2aa59ee 100644
--- a/charts/cert-manager/templates/cainjector-rbac.yaml
+++ b/charts/cert-manager/templates/cainjector-rbac.yaml
@@ -22,13 +22,13 @@
     verbs: ["get", "create", "update", "patch"]
   - apiGroups: ["admissionregistration.k8s.io"]
     resources: ["validatingwebhookconfigurations", "mutatingwebhookconfigurations"]
-    verbs: ["get", "list", "watch", "update"]
+    verbs: ["get", "list", "watch", "update", "patch"]
   - apiGroups: ["apiregistration.k8s.io"]
     resources: ["apiservices"]
-    verbs: ["get", "list", "watch", "update"]
+    verbs: ["get", "list", "watch", "update", "patch"]
   - apiGroups: ["apiextensions.k8s.io"]
     resources: ["customresourcedefinitions"]
-    verbs: ["get", "list", "watch", "update"]
+    verbs: ["get", "list", "watch", "update", "patch"]
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding