diff --git a/app-files/apps.yaml b/app-files/apps.yaml
index 46aa44f..e05c292 100644
--- a/app-files/apps.yaml
+++ b/app-files/apps.yaml
@@ -27,7 +27,7 @@ spec:
   sources:
     - repoURL: https://argoproj.github.io/argo-helm
       chart: argo-cd
-      targetRevision: 7.7.0
+      targetRevision: 7.7.3
       helm:
         releaseName: argo
         valueFiles:
@@ -175,7 +175,7 @@ spec:
   sources:
     - repoURL: https://charts.openproject.org
       chart: openproject
-      targetRevision: 8.3.2
+      targetRevision: 9.0.1
       helm:
         releaseName: openproject
         valueFiles:
diff --git a/openproject/db.yaml b/openproject/db.yaml
index 661b3c1..42a7d89 100644
--- a/openproject/db.yaml
+++ b/openproject/db.yaml
@@ -7,3 +7,17 @@ spec:
   instances: 3
   storage:
     size: 1Gi
+  backup:
+    barmanObjectStore:
+      destinationPath: "s3://openproject/backups"
+      endpointURL: "https://fsn1.your-objectstorage.com"
+      s3Credentials:
+        accessKeyId:
+          name: openproject-secret
+          key: OPENPROJECT_FOG_CREDENTIALS_AWS__ACCESS__KEY__ID
+        secretAccessKey:
+          name: openproject-secret
+          key: OPENPROJECT_FOG_CREDENTIALS_AWS__SECRET__ACCESS__KEY
+      wal:
+        compression: gzip
+      retentionPolicy: "30d"