diff --git a/charts/readur/Chart.yaml b/charts/readur/Chart.yaml
index bd7f6a0..dc23c34 100644
--- a/charts/readur/Chart.yaml
+++ b/charts/readur/Chart.yaml
@@ -17,7 +17,7 @@ dependencies:
     version: 3.3.2
   - name: postgresql
     repository: https://charts.bitnami.com/bitnami
-    version: 15.5.38
+    version: 16.7.13
     condition: postgresql.enabled
 keywords:
   - document-management