diff --git a/argocd/application-n8n.yaml b/argocd/application-n8n.yaml
index 94baa2c..5c6df49 100644
--- a/argocd/application-n8n.yaml
+++ b/argocd/application-n8n.yaml
@@ -23,6 +23,7 @@ spec:
     targetRevision: main
   syncPolicy:
     automated:
+      prune: true
       selfHeal: true
     syncOptions:
     - CreateNamespace=true
diff --git a/n8n/pvc-n8n-pvc.yaml b/n8n/pvc-n8n-pvc.yaml
index 5200eee..e328194 100644
--- a/n8n/pvc-n8n-pvc.yaml
+++ b/n8n/pvc-n8n-pvc.yaml
@@ -1,6 +1,9 @@
 apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
+  annotations:
+    # Never let ArgoCD prune this PVC: it holds the n8n workflows database.
+    argocd.argoproj.io/sync-options: Prune=false
   name: n8n-pvc
   namespace: n8n
 spec: