diff --git a/kubernetes/infra/network/cert-manager/app/helm.yaml b/kubernetes/infra/network/cert-manager/app/helm.yaml
index 5388c108..72833c74 100644
--- a/kubernetes/infra/network/cert-manager/app/helm.yaml
+++ b/kubernetes/infra/network/cert-manager/app/helm.yaml
@@ -9,7 +9,7 @@ spec:
   source:
     chart: cert-manager
     repoURL: https://charts.jetstack.io
-    targetRevision: v1.21.0
+    targetRevision: v1.21.1
     helm:
       releaseName: cert-manager
       valuesObject: