diff --git a/DependencyInjection/RezzzaSecurityExtension.php b/DependencyInjection/RezzzaSecurityExtension.php
index 598e167..4014d07 100644
--- a/DependencyInjection/RezzzaSecurityExtension.php
+++ b/DependencyInjection/RezzzaSecurityExtension.php
@@ -40,6 +40,7 @@ public function load(array $configs, ContainerBuilder $container)
             $definition->addMethodCall('set', array('firewall.replay_protection', $data['replay_protection']));
             $definition->addMethodCall('set', array('firewall.algorithm', $data['algorithm']));
             $definition->addMethodCall('set', array('firewall.secret', $data['secret']));
+            $definition->setScope('prototype');
 
             $container->setDefinition($serviceName, $definition);
         }