diff --git a/cluster/core/cert-manager/helm-release.yaml b/cluster/core/cert-manager/helm-release.yaml
index 59b18c6c..edf2f5ba 100644
--- a/cluster/core/cert-manager/helm-release.yaml
+++ b/cluster/core/cert-manager/helm-release.yaml
@@ -10,7 +10,7 @@ spec:
     spec:
       # renovate: registryUrl=https://charts.jetstack.io/
       chart: cert-manager
-      version: v1.5.0
+      version: v1.5.1
       sourceRef:
         kind: HelmRepository
         name: jetstack-charts
diff --git a/cluster/crds/cert-manager/kustomization.yaml b/cluster/crds/cert-manager/kustomization.yaml
index b45ca60c..ac9cac92 100644
--- a/cluster/crds/cert-manager/kustomization.yaml
+++ b/cluster/crds/cert-manager/kustomization.yaml
@@ -2,4 +2,4 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   # renovate: registryUrl=https://charts.jetstack.io chart=cert-manager
-  - https://github.com/jetstack/cert-manager/releases/download/v1.5.0/cert-manager.crds.yaml
+  - https://github.com/jetstack/cert-manager/releases/download/v1.5.1/cert-manager.crds.yaml