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
index 6fd7f6c85..a2db89751 100644
--- 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
@@ -8,7 +8,7 @@ spec:
   source:
     chart: argo-workflows
     repoURL: https://argoproj.github.io/argo-helm
-    targetRevision: 0.40.3
+    targetRevision: 0.40.4
     helm:
       releaseName: argo-workflows
       values: |