diff --git a/public/cert-manager/kustomization.yml b/public/cert-manager/kustomization.yml
index 44cb5782..83ac6c8b 100644
--- a/public/cert-manager/kustomization.yml
+++ b/public/cert-manager/kustomization.yml
@@ -9,5 +9,5 @@ helmCharts:
     releaseName: cert-manager
     repo: https://charts.jetstack.io
     valuesFile: values.yml
-    version: v1.14.2 # https://artifacthub.io/packages/helm/cert-manager/cert-manager
+    version: v1.15.3 # https://artifacthub.io/packages/helm/cert-manager/cert-manager