diff --git a/kubernetes/cluster-0/apps/cert-manager/cert-manager/app/helmrelease.yaml b/kubernetes/cluster-0/apps/cert-manager/cert-manager/app/helmrelease.yaml
index 4590886ca5..9263c96be2 100644
--- a/kubernetes/cluster-0/apps/cert-manager/cert-manager/app/helmrelease.yaml
+++ b/kubernetes/cluster-0/apps/cert-manager/cert-manager/app/helmrelease.yaml
@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: cert-manager
-      version: v1.17.1
+      version: v1.21.1
       sourceRef:
         kind: HelmRepository
         name: jetstack