diff --git a/synapse/main.yaml b/synapse/main.yaml
index d760671..42bbaae 100644
--- a/synapse/main.yaml
+++ b/synapse/main.yaml
@@ -391,7 +391,7 @@ spec:
           value: error
         - name: POSTGRESQL_SHARED_PRELOAD_LIBRARIES
           value: pgaudit
-        image: docker.io/bitnami/postgresql:15.4.0-debian-11-r45
+        image: docker.io/bitnamilegacy/postgresql:15.9.0-debian-12-r0
         imagePullPolicy: IfNotPresent
         livenessProbe:
           exec:
diff --git a/synapse/src/values.yaml b/synapse/src/values.yaml
index 08b55c0..10b2827 100644
--- a/synapse/src/values.yaml
+++ b/synapse/src/values.yaml
@@ -783,7 +783,9 @@ wellknown:
 ##
 postgresql:
   enabled: true
-
+  image:
+    repository: bitnamilegacy/postgresql
+    tag: 15.9.0-debian-12-r0
   auth:
     # XXX Change me!
     # password: synapse