diff --git a/cluster/core/databases/postgresql/helm-release.yaml b/cluster/core/databases/postgresql/helm-release.yaml
index 4a478169d..b553c4f43 100644
--- a/cluster/core/databases/postgresql/helm-release.yaml
+++ b/cluster/core/databases/postgresql/helm-release.yaml
@@ -10,7 +10,7 @@ spec:
     spec:
       # renovate: registryUrl=https://charts.bitnami.com/bitnami
       chart: postgresql
-      version: 11.9.8
+      version: 15.5.31
       sourceRef:
         kind: HelmRepository
         name: bitnami-charts