diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index cf007917..b6fc8b97 100644
--- a/chart/Chart.yaml
+++ b/chart/Chart.yaml
@@ -16,7 +16,7 @@ dependencies:
 - condition: postgresql.enabled
   name: postgresql
   repository: https://charts.bitnami.com/bitnami
-  version: 18.0.8
+  version: 18.0.15
 - condition: rabbitmq.enabled
   name: rabbitmq
   repository: https://charts.bitnami.com/bitnami