diff --git a/charts/cluster/Chart.yaml b/charts/cluster/Chart.yaml
index e9aca8321..b41a8aa5b 100644
--- a/charts/cluster/Chart.yaml
+++ b/charts/cluster/Chart.yaml
@@ -18,7 +18,7 @@ name: cluster
 description: Deploys and manages a CloudNativePG cluster and its associated resources.
 icon: https://raw.githubusercontent.com/cloudnative-pg/artwork/main/cloudnativepg-logo.svg
 type: application
-version: 0.0.7
+version: 0.0.8
 sources:
   - https://github.com/cloudnative-pg/charts
 keywords:
diff --git a/charts/cluster/README.md b/charts/cluster/README.md
index 014a68cfc..233649791 100644
--- a/charts/cluster/README.md
+++ b/charts/cluster/README.md
@@ -1,6 +1,6 @@
 # cluster
 
-![Version: 0.0.7](https://img.shields.io/badge/Version-0.0.7-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
+![Version: 0.0.8](https://img.shields.io/badge/Version-0.0.8-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 
 > **Warning**
 > ### This chart is under active development.
@@ -148,7 +148,7 @@ refer to  the [CloudNativePG Documentation](https://cloudnative-pg.io/documentat
 | cluster.additionalLabels | object | `{}` |  |
 | cluster.affinity | object | `{"topologyKey":"topology.kubernetes.io/zone"}` | Affinity/Anti-affinity rules for Pods. See: https://cloudnative-pg.io/documentation/current/cloudnative-pg.v1/#postgresql-cnpg-io-v1-AffinityConfiguration |
 | cluster.annotations | object | `{}` |  |
-| cluster.certificates | string | `nil` | The configuration for the CA and related certificates. See: https://cloudnative-pg.io/documentation/current/cloudnative-pg.v1/#postgresql-cnpg-io-v1-CertificatesConfiguration |
+| cluster.certificates | object | `{}` | The configuration for the CA and related certificates. See: https://cloudnative-pg.io/documentation/current/cloudnative-pg.v1/#postgresql-cnpg-io-v1-CertificatesConfiguration |
 | cluster.enableSuperuserAccess | bool | `true` | When this option is enabled, the operator will use the SuperuserSecret to update the postgres user password. If the secret is not present, the operator will automatically create one. When this option is disabled, the operator will ignore the SuperuserSecret content, delete it when automatically created, and then blank the password of the postgres user by setting it to NULL. |
 | cluster.imageName | string | `""` | Name of the container image, supporting both tags (<image>:<tag>) and digests for deterministic and repeatable deployments: <image>:<tag>@sha256:<digestValue> |
 | cluster.imagePullPolicy | string | `"IfNotPresent"` | Image pull policy. One of Always, Never or IfNotPresent. If not defined, it defaults to IfNotPresent. Cannot be updated. More info: https://kubernetes.io/docs/concepts/containers/images#updating-images |