diff --git a/k8s/infra/kustomization.yaml b/k8s/infra/kustomization.yaml
index 5d804d2..b49d647 100644
--- a/k8s/infra/kustomization.yaml
+++ b/k8s/infra/kustomization.yaml
@@ -16,7 +16,7 @@ helmCharts:
   includeCRDs: true
   releaseName: cert-manager
   repo: https://charts.jetstack.io
-  version: v1.20.3
+  version: v1.21.0
   valuesInline:
     crds:
       enabled: true