diff --git a/postgres/bitnami/postgres_argocd_app.yaml b/postgres/bitnami/postgres_argocd_app.yaml
index 66bc162ec..56a95984a 100644
--- a/postgres/bitnami/postgres_argocd_app.yaml
+++ b/postgres/bitnami/postgres_argocd_app.yaml
@@ -14,7 +14,7 @@ spec:
   source:
     chart: postgresql
     repoURL: 'https://charts.bitnami.com/bitnami'
-    targetRevision: 16.7.27
+    targetRevision: 18.1.1
     helm:
       skipCrds: true
       values: |