diff --git a/manifests/external-secrets/values.yaml b/manifests/external-secrets/values.yaml
index 0ca6d7c..719717f 100644
--- a/manifests/external-secrets/values.yaml
+++ b/manifests/external-secrets/values.yaml
@@ -19,3 +19,8 @@ certController:
     repository: ghcr.io/external-secrets/external-secrets
     tag: v0.9.19
     flavour: cert-controller
+  certs:
+    duration: 8760h
+    renewBefore: 720h
+    selfSigned: true
+