diff --git a/cert-manager/kustomization.yaml b/cert-manager/kustomization.yaml
index 3ee4134..7eaa24f 100644
--- a/cert-manager/kustomization.yaml
+++ b/cert-manager/kustomization.yaml
@@ -12,7 +12,7 @@ resources:
 helmCharts:
   - name: cert-manager
     repo: https://charts.jetstack.io
-    version: "v1.15.2"
+    version: "v1.15.3"
     releaseName: cert-manager
     namespace: kube-system
     valuesFile: config/values.cert-manager.yaml