charts: tailscale-proxy give update permission
diff --git a/charts/tailscale/templates/install.yaml b/charts/tailscale/templates/install.yaml
index 78b3704..de0495e 100644
--- a/charts/tailscale/templates/install.yaml
+++ b/charts/tailscale/templates/install.yaml
@@ -79,7 +79,7 @@
 rules:
 - apiGroups: [""]
   resources: ["secrets"]
-  verbs: ["get", "watch", "list", "patch"]
+  verbs: ["get", "watch", "list", "patch", "update"]
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding