diff --git a/charts/ak/Chart.yaml b/charts/ak/Chart.yaml
index aaab0ab..5cb9e70 100644
--- a/charts/ak/Chart.yaml
+++ b/charts/ak/Chart.yaml
@@ -40,7 +40,7 @@ dependencies:
   version: "18.19.4"
   repository: "https://charts.bitnami.com/bitnami"
 - name: postgresql
-  version: "13.4.4"
+  version: "15.2.2"
   repository: "https://charts.bitnami.com/bitnami"
 # - name: akm
 #   condition: akm.operator.enabled