diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/app-of-other-apps/argo-events.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/app-of-other-apps/argo-events.yaml
new file mode 100644
index 000000000..9c71a7893
--- /dev/null
+++ b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/app-of-other-apps/argo-events.yaml
@@ -0,0 +1,25 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: argo-events
+  namespace: argocd
+spec:
+  project: cluster-wide-apps
+  source:
+    chart: argo-events
+    repoURL: https://argoproj.github.io/argo-helm
+    targetRevision: 2.4.1
+    helm:
+      releaseName: argo-events
+      # values: |
+
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: argo-events
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true
+      - ServerSideApply=true
diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/app-of-other-apps/argo-workflows.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/app-of-other-apps/argo-workflows.yaml
new file mode 100644
index 000000000..4b46befe4
--- /dev/null
+++ b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/app-of-other-apps/argo-workflows.yaml
@@ -0,0 +1,25 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: argo-workflows
+  namespace: argocd
+spec:
+  project: cluster-wide-apps
+  source:
+    chart: argo-workflows
+    repoURL: https://argoproj.github.io/argo-helm
+    targetRevision: 0.40.1
+    helm:
+      releaseName: argo-workflows
+      # values: |
+
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: argo-workflows
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true
+      - ServerSideApply=true