diff --git a/apps/backup/kustomization.yaml b/apps/backup/kustomization.yaml
index 307af06..be08e66 100644
--- a/apps/backup/kustomization.yaml
+++ b/apps/backup/kustomization.yaml
@@ -5,6 +5,7 @@ resources:
   - postgresql/asciinema
   - postgresql/authentik
   - postgresql/default-mumble
+  - postgresql/mumble
   - postgresql/default-shared
   - postgresql/ghostfolio
   - postgresql/grafana
diff --git a/apps/backup/postgresql/mumble/kustomization.yaml b/apps/backup/postgresql/mumble/kustomization.yaml
new file mode 100644
index 0000000..cc86c08
--- /dev/null
+++ b/apps/backup/postgresql/mumble/kustomization.yaml
@@ -0,0 +1,25 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: mumble
+namePrefix: mumble-
+resources: [../base]
+patches:
+  - target: {kind: CronJob, name: postgresql-backup}
+    patch: |-
+      apiVersion: batch/v1
+      kind: CronJob
+      metadata: {name: postgresql-backup}
+      spec:
+        schedule: "0 4 * * *"
+        jobTemplate:
+          spec:
+            template:
+              spec:
+                containers:
+                  - name: pg-dump
+                    env:
+                      - {name: BACKUP_TARGET, value: mumble}
+                      - {name: PGHOST, value: mumble-postgresql-rw}
+                      - {name: PGSSLMODE, value: require}
+                      - name: PGPASSWORD
+                        valueFrom: {secretKeyRef: {name: mumble-postgresql-superuser, key: password}}
diff --git a/apps/mumble-postgresql/cluster.yaml b/apps/mumble-postgresql/cluster.yaml
new file mode 100644
index 0000000..3fe74be
--- /dev/null
+++ b/apps/mumble-postgresql/cluster.yaml
@@ -0,0 +1,18 @@
+apiVersion: postgresql.cnpg.io/v1
+kind: Cluster
+metadata:
+  name: mumble-postgresql
+  namespace: mumble
+spec:
+  instances: 1
+  imageName: ghcr.io/cloudnative-pg/postgresql:18.6-standard-trixie
+  enableSuperuserAccess: true
+  bootstrap:
+    initdb:
+      database: mumble
+      owner: mumble
+      secret:
+        name: mumble-secrets
+  storage:
+    size: 8Gi
+    storageClass: rook-ceph-block-ec
diff --git a/apps/mumble-postgresql/kustomization.yaml b/apps/mumble-postgresql/kustomization.yaml
new file mode 100644
index 0000000..993fbde
--- /dev/null
+++ b/apps/mumble-postgresql/kustomization.yaml
@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - cluster.yaml
diff --git a/bootstrap/backup-project.yaml b/bootstrap/backup-project.yaml
index fca1cc5..a282a2d 100644
--- a/bootstrap/backup-project.yaml
+++ b/bootstrap/backup-project.yaml
@@ -50,6 +50,8 @@ spec:
       server: https://kubernetes.default.svc
     - namespace: wiki-js
       server: https://kubernetes.default.svc
+    - namespace: mumble
+      server: https://kubernetes.default.svc
   namespaceResourceWhitelist:
     - group: ""
       kind: ConfigMap
diff --git a/bootstrap/kustomization.yaml b/bootstrap/kustomization.yaml
index a156c5c..14db9b7 100644
--- a/bootstrap/kustomization.yaml
+++ b/bootstrap/kustomization.yaml
@@ -97,6 +97,7 @@ resources:
 - paperless.yaml
 - mumble.yaml
 - mumble-namespace.yaml
+- mumble-postgresql.yaml
 - minecraft-project.yaml
 - minecraft-paper.yaml
 - minecraft-atm10.yaml
diff --git a/bootstrap/mumble-namespace.yaml b/bootstrap/mumble-namespace.yaml
index 1eb75eb..d686262 100644
--- a/bootstrap/mumble-namespace.yaml
+++ b/bootstrap/mumble-namespace.yaml
@@ -1,4 +1,6 @@
 apiVersion: v1
 kind: Namespace
 metadata:
+  annotations:
+    argocd.argoproj.io/sync-wave: "-2"
   name: mumble
diff --git a/bootstrap/mumble-postgresql.yaml b/bootstrap/mumble-postgresql.yaml
new file mode 100644
index 0000000..6d01b4e
--- /dev/null
+++ b/bootstrap/mumble-postgresql.yaml
@@ -0,0 +1,21 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: mumble-postgresql
+  namespace: argocd
+  annotations:
+    argocd.argoproj.io/sync-wave: "-1"
+spec:
+  project: homelab
+  source:
+    repoURL: https://code.brunner.ninja/feedc0de/homelab-gitops.git
+    targetRevision: main
+    path: apps/mumble-postgresql
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: mumble
+  syncPolicy:
+    automated:
+      enabled: true
+      prune: false
+      selfHeal: true