diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/app-of-other-apps/argo-workflows-reverse-proxy.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/app-of-other-apps/argo-workflows-reverse-proxy.yaml
index b7aff98ac..e81589059 100644
--- a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/app-of-other-apps/argo-workflows-reverse-proxy.yaml
+++ b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/app-of-other-apps/argo-workflows-reverse-proxy.yaml
@@ -61,5 +61,6 @@ data:
           deny all;
         }
         proxy_pass http://argo-workflows-server.argo:12000;
+        proxy_request_buffering off;
       }
     }