diff --git a/kubernetes/clusters/shared/cert-manager/cert-manager/kustomization.yaml b/kubernetes/clusters/shared/cert-manager/cert-manager/kustomization.yaml
index 246b03b6..3dfeb04d 100644
--- a/kubernetes/clusters/shared/cert-manager/cert-manager/kustomization.yaml
+++ b/kubernetes/clusters/shared/cert-manager/cert-manager/kustomization.yaml
@@ -8,7 +8,7 @@ resources:
 helmCharts:
   - repo: https://charts.jetstack.io
     name: cert-manager
-    version: v1.20.3
+    version: v1.21.0
     includeCRDs: true
     releaseName: cert-manager
     valuesFile: values.yaml