diff --git a/cluster/core/kube-system/cert-manager/app/helmrelease.yaml b/cluster/core/kube-system/cert-manager/app/helmrelease.yaml
index 93fd4624e..9dc370d1d 100644
--- a/cluster/core/kube-system/cert-manager/app/helmrelease.yaml
+++ b/cluster/core/kube-system/cert-manager/app/helmrelease.yaml
@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: cert-manager
-      version: v1.14.5
+      version: v1.20.1
       sourceRef:
         kind: HelmRepository
         name: jetstack