diff --git a/swarm/portainer.yml b/swarm/portainer.yml
index 0a9d899..fa160e9 100644
--- a/swarm/portainer.yml
+++ b/swarm/portainer.yml
@@ -40,6 +40,7 @@ services:
 
 networks:
   agent-network:
+    driver: overlay
     attachable: true
   traefik-public:
     external: true