diff --git a/kubernetes/apps/default/stalwart/ks.yaml b/kubernetes/apps/default/stalwart/ks.yaml
new file mode 100644
index 000000000..7bc80f20a
--- /dev/null
+++ b/kubernetes/apps/default/stalwart/ks.yaml
@@ -0,0 +1,28 @@
+---
+# yaml-language-server: $schema=https://raw.githubusercontent.com/fluxcd-community/flux2-schemas/main/kustomization-kustomize-v1.json
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: cluster-apps-stalwart
+  namespace: flux-system
+  labels:
+    substitution.flux.home.arpa/enabled: "true"
+spec:
+  path: ./kubernetes/apps/default/stalwart/app
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: home-ops-kubernetes
+  dependsOn:
+    - name: cluster-apps-cloudnative-pg-cluster
+    - name: cluster-apps-external-secrets-stores
+    - name: cluster-apps-rook-ceph-cluster
+    - name: cluster-apps-volsync-app
+  healthChecks:
+    - apiVersion: helm.toolkit.fluxcd.io/v2beta1
+      kind: HelmRelease
+      name: stalwart
+      namespace: default
+  interval: 30m
+  retryInterval: 1m
+  timeout: 3m