diff --git a/defaults/main.yml b/defaults/main.yml
index c50e7e0..9ee3336 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -2,6 +2,7 @@
 nginx_proxy_container_name: "nginx-proxy"
 nginx_proxy_base_dir: "/srv/nginx_proxy"
 nginx_proxy_network: "nginx_proxy"
+nginx_proxy_network_enable_ipv6: true
 nginx_proxy_nginx_container_image: "nginx"
 nginx_proxy_nginx_container_image_tag: "latest"
 nginx_proxy_docker_gen_container_image: "nginxproxy/docker-gen"