diff --git a/nginx/server/proxy/openstack/keystone.yml b/nginx/server/proxy/openstack/keystone.yml
index bf6646a..6428eb9 100644
--- a/nginx/server/proxy/openstack/keystone.yml
+++ b/nginx/server/proxy/openstack/keystone.yml
@@ -17,6 +17,8 @@
             host: ${_param:nginx_proxy_openstack_keystone_host}
             port: 5000
             protocol: ${_param:nginx_proxy_openstack_keystone_protocol}
+            # Prevent nginx from caching request body
+            request_buffer: false
           host:
             name: ${_param:nginx_proxy_openstack_api_host}
             port: 5000