diff --git a/nginx/server/proxy/openstack/barbican.yml b/nginx/server/proxy/openstack/barbican.yml
index 6ac6a14..9776f14 100644
--- a/nginx/server/proxy/openstack/barbican.yml
+++ b/nginx/server/proxy/openstack/barbican.yml
@@ -17,6 +17,8 @@
             host: ${_param:nginx_proxy_openstack_barbican_host}
             port: 9311
             protocol: ${_param:nginx_proxy_openstack_barbican_protocol}
+            # Prevent nginx from caching request body
+            request_buffer: false
           host:
             name: ${_param:nginx_proxy_openstack_api_host}
             port: 9311