diff --git a/charts/prefect-server/Chart.yaml b/charts/prefect-server/Chart.yaml
index 0d8fdc0..7929c19 100644
--- a/charts/prefect-server/Chart.yaml
+++ b/charts/prefect-server/Chart.yaml
@@ -9,7 +9,7 @@ dependencies:
   - name: postgresql
     condition: postgresql.enabled
     repository: https://charts.bitnami.com/bitnami
-    version: 16.1.0
+    version: 12.12.10
 description: Prefect server application bundle
 engine: gotpl
 home: https://github.com/PrefectHQ
diff --git a/charts/prefect-server/README.md b/charts/prefect-server/README.md
index 8a060b0..30af723 100644
--- a/charts/prefect-server/README.md
+++ b/charts/prefect-server/README.md
@@ -123,7 +123,7 @@ prefect-server:
 | Repository | Name | Version |
 |------------|------|---------|
 | https://charts.bitnami.com/bitnami | common | 2.26.0 |
-| https://charts.bitnami.com/bitnami | postgresql | 16.1.0 |
+| https://charts.bitnami.com/bitnami | postgresql | 12.12.10 |
 
 ## Values